関連ワード:
if someone is snoring are they in a deep sleep when someone is snoring are they in a deep sleep if someone is snoring does that mean they are in a deep sleep when a person is snoring are they in a deep sleep if a person is snoring are they in deep sleep when people snore are they in a deep sleep if someone snores are they a heavy sleeper does snoring mean a deep sleep do you snore when in deep sleep does snoring occur in deep sleep
