Human Body

Men have erections every hour to hour and a half during sleep. This is because the combination of blood circulation and testerone production can cause erections during sleep and are a necessary part of REM sleep.

Add to Favs Email This Share on FB

rate this fact
  One More !  

Search

Amazing (200) America (274) Animal (433) Best (18) Engineering (13) English Language (23) Famous (20)

Fun (34) Great (42) Highest (28) Human Body (2,500) Interesting (2,332) Largest (100) Least (24)

Longest (39) Lowest (6) Math (18) Most (119) Nature (13) Oldest (20) Popular (45)

Random (452) Real (886) Science (21) Smallest (16) Sports (76) Time (15) World War II (61)

Amazing (200) America (274) Animal (433) Best (18) Engineering (13) English Language (23) Famous (20) Fun (34) Great (42) Highest (28) Human Body (2,500) Interesting (2,332) Largest (100) Least (24)

Longest (39) Lowest (6) Math (18) Most (119) Nature (13) Oldest (20) Popular (45) Random (452) Real (886) Science (21) Smallest (16) Sports (76) Time (15) World War II (61)

by TimeWasters, LLC:
7,828 interesting facts by Facts&Co
180,527 famous quotes by Quotes&Co
62,947 proverbs from all over the world by Proverbs&Co

Traffic analysis by Web-Stat