to sleep very well, without being woken by any noises

a button on an alarm clock (= a clock for waking you up) that makes the sound stop so that you can sleep for a few minutes more, before waking you up again

to open the mouth wide and take a lot of air into the lungs and slowly send it out, usually when tired or bored:

a large piece of thin cloth used on a bed for sleeping on or under

to breathe in a very noisy way while you are sleeping

to start to sleep

tired and wanting to sleep

to sleep for longer than you intended to and so wake up late

to sleep until later in the morning than you usually do

a rectangular cloth bag filled with soft material, such as feathers or artificial materials, used for resting your head on in bed

a flat cover made of wool or similar warm material, usually used on a bed

something that you take to help you to sleep better

the condition of being unable to sleep, over a period of time