The average cat sleeps about 2/3 of the day.
203
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
The human brain is more active during sleep than during the day.
28
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
You burn more calories sleeping than you do watching television.
348
The average person falls asleep in seven minutes.
115
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
People who sleep late have more mental stamina and can outperform early risers.
33