Answer: night

AnswerCrossword Clue
NIGHTDusk-to-dawn period
NIGHTWhen most dreams occur
NIGHTPeriod of darkness
NIGHTTime to retire
NIGHT"Mr. Saturday ..." (Billy Crystal film)
NIGHT"O holy ...."
NIGHTDark period
NIGHTTime to see stars
NIGHTAfter sunset
NIGHT"The .. of the Iguana"
NIGHTDracula's uptime
NIGHTDay's opposite
NIGHTUsual bedtime
NIGHTPeriod of ignorance
NIGHTTime to sleep
NIGHTWiesel memoir
NIGHTDusk to dawn
NIGHTPeriod after sunset
NIGHTFrom dusk to dawn
NIGHTPart of "SNL"
nightunceasingly; continually
NIGHTElie Wiesel work
NIGHTEve
NIGHTAstronomer's prime time
NIGHTWhen cereuses bloom
NIGHTHay-hitting time
NIGHTDracula's shift
NIGHTTime to retire?
NIGHTGraveyard shift
NIGHTUnenlightened time
NIGHTStars' showcase?
NIGHTDawn preceder
NIGHT"What hath .. to do with sleep?": Milton
NIGHTWhen to see stars
NIGHTWiesel work
NIGHTWhen bats fly
NIGHTDay break?
NIGHTDark time
NIGHTTime in the dark
NIGHT"'Twas the ... before Christmas..."