Which from endocrine glands is responsible for a regulation of sleep?

hypothalamus
adrenal glands
thymus
pineal gland
The pineal gland is a small en­docrine gland in the ver­te­brate brain. It produces mela­ton­in, a sero­tonin derived hormone, which affects the mod­u­la­tion of sleep pat­tern­s. Mela­tonin is sold over-the-­counter as a sleep aid in the U.S. and Canada.

Answers distribution

hypothalamus
adrenal glands
thymus
pineal gland
answers
flagUkraine
4%
4%
2%
89%
47
flagRepublic of Ireland
20%
3%
2%
72%
103
flagthe Netherlands
14%
2%
12%
68%
48
flagPoland
20%
7%
7%
64%
17669
flagGermany
16%
11%
6%
63%
197
flagFrance
20%
15%
2%
62%
45
flagthe United Kingdom
23%
6%
9%
60%
480
flagAustria
8%
28%
4%
60%
25
flagCzech Republic
25%
5%
10%
60%
20
flagNorway
37%
0%
11%
51%
27
flagCanada
33%
11%
3%
50%
59
flagSweden
25%
16%
8%
50%
24
flagthe United Arab Emirates
31%
9%
0%
50%
22
flagIndia
27%
13%
8%
47%
358
flagUnknown
30%
11%
10%
46%
880
flagGreece
50%
0%
5%
45%
20
flagPakistan
28%
16%
10%
44%
49
flagthe United States
30%
12%
14%
40%
636
flagthe Philippines
42%
12%
9%
35%
54
flagAustralia
33%
14%
22%
29%
27

Gender

men47%
women54%
hypothalamus
30%
28%
adrenal glands
10%
8%
thymus
11%
9%
pineal gland
47%
54%

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Which from endocrine glands is responsible for a regulation of sleep?
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Details

Author: Paweł Kołodziejczyk
Illustration: Tambako The Jaguar
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