It starts with 'S'. When you shiver, you put me on; when you sweat, you take me off; but you hurry to wear me when snow fall. What am I?
sweater
I am a very long jacket, which you can wear outside, in winter I'm the king, in summer you put me to sleep. What am I?
A coat
At night, you wear me, in the morning, you take me off. What am I?
Pajamas