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The optimal sleeping light condition is said by some to be total darkness. If a nightlight is used within a sleeping area, it is recommended to choose a dim reddish or amber light to minimize disruptive effects on sleep cycles. In addition, nightlights may be useful in locations other than sleeping
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to provide light, and were much safer than small candles using an open flame. The neon versions consumed very little energy and had a long life, but had a tendency to flicker on and off (reminiscent of a candle), which some users liked and others found annoying. In the 1960s, small nightlights
70:, especially in young children. Nightlights are also useful to the general public by revealing the general layout of a room without requiring a major light to be switched on, for avoiding tripping over stairs, obstacles, or pets, or to mark an
78:. Homeowners usually place nightlights in bathrooms, kitchens and hallways to avoid turning on the main light fixture, especially late at night, and causing their eyes to adjust to the brighter light.
162:, or UCPSC, reports it receives about 10 reports per year where nightlights close to flammable materials were cited as responsible for fires; they recommend the use of nightlights with
112:
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Some frequent travelers carry small nightlights for temporary installation in their guestroom and bathroom, to avoid tripping or falls in an unfamiliar nighttime environment.
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areas, such as hallways, bathrooms, or kitchens, to allow late night trips to be made without turning on the full light, while preserving a dark sleeping environment.
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150:, many different variants have become available, featuring different colours, sometimes changing automatically or in a user-controllable way.
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study indicated that sleeping with the light on or with a nightlight was associated with a greater incidence of
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to detect motion, and only switch on when somebody is passing by in the dark. With the availability of low-cost
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have recommended use of nightlights to help prevent falls, which can often be life-threatening to the elderly.
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People usually use nightlights for the sense of security which having a light on provides, or to relieve
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The low cost of nightlights has enabled a proliferation of different decorative designs, some featuring
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Another study has indicated that sleeping with the light on may protect the eyes of diabetics from
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cooler than the four or seven watt incandescent light bulbs still used in some older products.
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and fantastical designs, while others feature the basic simplicity of a small luminous disc.
365:"Is Nearsightedness in Children Linked to Night Light Exposure During Sleep Before Age Two?"
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contradicted the earlier conclusion. Both studies were published in the journal
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McMurdo, M E; Gaskell, A (1991). "Dark adaptation and falls in the elderly".
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emitting soft green or blue light; similar lights are still available today.
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Small light fixture used to provide dim illumination during the night
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Reed, S. Alexander; Sandifer, Elizabeth (February 13, 2014).
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405:"Night Lights Don't Lead To Nearsightedness, Study Suggests"
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307:"Electroluminescent Lamps - How They Work & History"
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458:"Avoiding Depression: Sleeping in Dark Room May Help"
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is a song sung from the perspective of a nightlight.
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54:serving a similar function are referred to as "
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484:"How a Light Bulb Can Help You Sleep Better"
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226:. National Sleep Foundation. Archived from
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431:"Light at Night Protects Diabetics' Eyes"
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122:Early electrical nightlights used small
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182:in children. However, a later study at
118:nightlights use little electrical power
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339:US Consumer Product Safety Commission
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160:US Consumer Product Safety Commission
456:Rettner, Rachel (17 November 2010).
170:Potential health issues and benefits
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131:appeared that featured a low-power
13:
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524:Example of stylized night light:
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1070:Parabolic aluminized reflector
482:Hyman, Mark (8 November 2013).
1015:Hydrargyrum medium-arc iodide
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331:"Fire Hazard with Nightlights"
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1:
515:The dictionary definition of
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1260:Automotive light bulb types
1110:Intelligent street lighting
224:"National Sleep Foundation"
138:Some nightlights include a
21:Nightlight (disambiguation)
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1023:Hydrargyrum quartz iodide
176:University of Pennsylvania
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107:Light source and variants
76:tritium radioluminescence
1523:Battlefield illumination
1280:high-intensity discharge
712:Electrochemiluminescence
311:www.edisontechcenter.org
133:electroluminescent panel
1383:Electroluminescent wire
526:https://galaxsleep.com/
144:passive infrared sensor
74:. Exit signs often use
1065:Multifaceted reflector
119:
97:Birdhouse in Your Soul
50:. Small long-burning
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1455:ellipsoidal reflector
1060:Ellipsoidal reflector
744:Fluorescent induction
722:field-induced polymer
184:Ohio State University
114:
29:
1292:Rear position lights
1265:Daytime running lamp
1193:Mechanically powered
1080:Aviation obstruction
101:They Might Be Giants
19:For other uses, see
700:Electron-stimulated
488:The Huffington Post
385:on December 3, 2008
335:CPSC Document #5063
230:on February 1, 2019
48:during an emergency
1543:Luminous gemstones
717:Electroluminescent
695:Cathodoluminescent
345:on August 13, 2011
124:incandescent lamps
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116:Electroluminescent
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1085:Balanced-arm lamp
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925:Yablochkov candle
793:Acetylene/Carbide
763:Radioluminescence
635:Luminous efficacy
581:Color temperature
266:10.1159/000213264
62:Uses and cultures
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1368:Christmas lights
1302:Safety reflector
1297:Reversing lights
1232:Navigation light
1183:Bicycle lighting
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751:Photoluminescent
734:Fluorescent lamp
707:Chemiluminescent
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618:Lightbulb socket
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378:. Archived from
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437:. June 27, 2002
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95:The 1990 song "
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596:Light fixture
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521:at Wiktionary
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44:light fixture
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1403:Strobe light
1398:Plasma globe
1373:Crackle tube
1363:Bubble light
1324:trafficators
1319:Turn signals
1145:Street light
1119:
1100:Gas lighting
1033:Sodium vapor
1005:Metal-halide
907:Electric arc
659:Incandescent
628:Edison screw
517:
491:. Retrieved
487:
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465:. Retrieved
462:Live Science
461:
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380:the original
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343:the original
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260:(4): 221–4.
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228:the original
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37:
1548:Signal lamp
1502:Stroboscope
1378:DJ lighting
1314:Stop lights
1285:sealed beam
1237:Searchlight
977:Xenon flash
920:Klieg light
768:Solid-state
729:Fluorescent
687:Luminescent
254:Gerontology
197:retinopathy
90:superheroes
42:is a small
1575:Categories
1492:Grow light
1487:Germicidal
1477:Scientific
1474:Industrial
1430:Floodlight
1416:Theatrical
1358:Blacklight
1353:Aroma lamp
1342:Decorative
1252:Automotive
1242:Solar lamp
1205:Glow stick
1188:Flashlight
1120:Nightlight
1115:Light tube
1090:Chandelier
1047:Stationary
989:discharge
915:Carbon arc
785:Combustion
651:generation
649:Methods of
518:nightlight
493:2017-02-16
316:2017-02-16
207:References
128:neon lamps
40:nightlight
34:nightlight
1558:Reflected
1538:Light art
1450:Spotlight
1435:Footlight
1420:Cinematic
1388:Lava lamp
1150:in the US
1055:Reflector
972:Xenon arc
953:Neon lamp
882:Rushlight
862:Limelight
611:Hong Kong
441:March 23,
415:March 23,
389:March 23,
164:LED bulbs
140:photocell
126:or small
56:tealights
1270:Headlamp
1210:Headlamp
1198:Tactical
1176:Portable
1157:Torchère
838:Petromax
833:Kerosene
803:Campfire
773:LED lamp
569:Concepts
562:Lighting
234:June 23,
1553:Sources
1507:Tanning
1393:Marquee
1338:Display
1222:Lantern
1215:outdoor
1167:Troffer
1010:ceramic
867:Luchina
845:Lantern
738:compact
736: (
672:Halogen
667:Regular
467:23 June
349:May 12,
274:1916313
52:candles
1275:hidden
1140:Sconce
965:Sulfur
960:Plasma
892:Tilley
887:Safety
850:Fanous
813:Carcel
808:Candle
798:Argand
677:Nernst
606:Hawaii
272:
189:Nature
1586:Night
1533:Laser
1445:Scoop
1072:(PAR)
1025:(HQI)
1017:(HMI)
991:(HID)
897:Torch
855:Paper
823:Flare
591:Glare
435:WebMD
383:(PDF)
368:(PDF)
99:" by
1440:Gobo
948:Neon
818:Diya
469:2015
443:2009
417:2009
391:2009
351:2011
270:PMID
236:2015
158:The
148:LEDs
877:Oil
828:Gas
262:doi
58:".
32:LED
30:An
1577::
486:.
460:.
433:.
407:.
374:.
370:.
337:.
333:.
309:.
291:.
268:.
258:37
256:.
244:^
215:^
192:.
174:A
38:A
740:)
554:e
547:t
540:v
496:.
471:.
445:.
419:.
393:.
353:.
319:.
295:.
276:.
264::
238:.
23:.
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