During sleep, a person periodically alternating two main phases: slow and fast sleep, and in the beginning of the sleep duration prevails slow phase, and before awakening - increasing the duration of REM sleep. Polysomnography showed that sleep most people consists of 4-6 wavelike cycles, lasting 80-100 minutes.
Can they swim?
Yes, they can.
Can they watch TV?
No, they can't.
Can he ride a bike?
No, he can't.
Can she dance?
Yes, she can.
At the party we were dancing and playing games
2 was your mum at work yesterday
Yes she was
I can't see, it's too blurry, maybe take another picture?