There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Those who get out of bed by 7am are more likely to be thinner and happier.
20
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
Cows can sleep standing up, but they can only dream lying down.
745
Honeybees never sleep.
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