The following are the current most viewed articles on Wikipedia within Wikipedia's Circadian rhythms category. Think of it as a What's Hot list for Circadian rhythms. More info »

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Rank	Topic	Wikipedia views
1	Melatonin	10,153
2	Circadian rhythm	5,148
3	Seasonal affective disorder	4,268
4	Pineal gland	3,996
5	Jet lag	3,487
6	Delayed sleep phase syndrome	2,318
7	Shift work	1,979
8	Polyphasic sleep	1,940
9	Light therapy	1,630
10	Diurnality	1,153
11	Circadian rhythm sleep disorder	1,027
12	Sundowning (dementia)	551
13	Chronobiology	483
14	Suprachiasmatic nucleus	467
15	Non-24-hour sleep-wake syndrome	454
16	Sleep inertia	392
17	Photoperiodism	385
18	Chronotype	340
19	Night owl (person)	329
20	Segmented sleep	265
21	Shift work sleep disorder	234
22	Advanced sleep phase syndrome	226
23	Zeitgeber	205
24	Actigraphy	183
25	Ultradian	175
26	Phase response curve	140
27	Photosensitive ganglion cell	132
28	Chronotherapy	116
29	Sleep diary	99
30	Dawn simulation	94
31	Melanopsin	92
32	Free-running sleep	88
33	Infradian rhythm	79
34	Retinohypothalamic tract	75
35	Entrainment (chronobiology)	63
36	Spring Fever (syndrome)	53
37	N-Acetylserotonin	50
38	Dark therapy	46
39	Bacterial circadian rhythms	46
40	Nathaniel Kleitman	45
41	Light in school buildings	45
42	Photoreceptor protein	39
43	Lark (person)	37
44	Light effects on circadian rhythm	35
45	Circadian oscillator	33
46	David F. Dinges	18
47	Franz Halberg	13
48	Jürgen Aschoff	13
49	Giant retinal ganglion cells	12
50	Sara Mednick	12
51	Russell G. Foster	12
52	Roberto Refinetti	11
53	Circaseptan	8
54	Circasemidian rhythm	less than 5 views

Parent categories

• Chronobiology
• Physiology
• Sleep

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