Cows can sleep standing up, but they can only dream lying down.
745
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
Termites work 24 hours per day and they do not sleep.
57
Honeybees never sleep.
276
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22