without noticing

to describe doing something sneakily, so that nobody realizes it

already; without realizing; unconsciously

(adverb) unconsciously; unintentionally; insentiently

not noticeable; to not have noticed

literally: 'deep sleep'; (adjective) untroubled; carefree

(noun) an afternoon nap

sixth sense / instincts

taking an afternoon nap (spoken)

pajamas; pyjamas

on one's own initiative; voluntarily

to pay attention; to look out

obvious (spoken)

(slang) to go to sleep; sleeping

sleep

Alertness

awaken

some risks are not worth taking (especially dangerous / unrighteous / illegit activities), it's better to be able to sleep well at night without feeling guilty

to go and sleep [colloquial]

sleep

feeling

lose consciousness

enlightenment

awake

unconscious

hallucination

touch

unconsciously

taste; sense of taste

think