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

This is a beta release and so the figures may be a day or two out of date. We'd love to get your thoughts.

Rank	Topic	Wikipedia views
1	Sleep apnea	7,840
2	Sleep paralysis	6,719
3	Nocturnal emission	4,370
4	Pineal gland	3,996
5	Rapid eye movement sleep	3,028
6	Hypnagogia	2,450
7	Delayed sleep phase syndrome	2,318
8	Yawn	2,258
9	Exploding head syndrome	1,525
10	Snoring	1,221
11	Circadian rhythm sleep disorder	1,027
12	Obstructive sleep apnea	717
13	Sleep debt	713
14	Non-rapid eye movement sleep	641
15	Sleep state misperception	503
16	Slow-wave sleep	494
17	Suprachiasmatic nucleus	467
18	Sleep inertia	392
19	Sleep medicine	364
20	Chronotype	340
21	Hypnopompic	302
22	Advanced sleep phase syndrome	226
23	Zeitgeber	205
24	Sleep (non-human)	197
25	Ultradian	175
26	K-complex	163
27	Sleep and learning	152
28	REM rebound	127
29	Second wind (wakefulness)	127
30	Upper airway resistance syndrome	108
31	Cortisol awakening response	108
32	Sleep and breathing	88
33	Retinohypothalamic tract	75
34	Sleep and creativity	67
35	Unihemispheric slow-wave sleep	49
36	PGO waves	44
37	Cyclical alternating pattern	7

Parent categories

• Neurophysiology
• Physiology
• Sleep

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