Answer: eyelids

AnswerCrossword Clue
EYELIDS

Liner site

EYELIDS

They're usually closed at night

EYELIDS

Sleeper's covers, of a sort

EYELIDS
Peeper protectors
EYELIDS
Cornea coverers
EYELIDSProtectors for peepers
EYELIDSLash holders
EYELIDSBlinkers
EYELIDSPupil protectors
EYELIDSExpressive parts of the face.
EYELIDSFacial features.
EYELIDSCurtains of sleep.
EYELIDSBlinkers.
EYELIDSCovers of a sort.
EYELIDSFacial features
EYELIDSWinkers and blinkers
EYELIDSSites of lashes
EYELIDSThey're shut at night
EYELIDSThey are raised for all to see
EYELIDSThey may get heavy at night
EYELIDSThey're usually heavier at night
EYELIDSLens caps?
EYELIDSThey're all over pupils
EYELIDSLash toppers
EYELIDSThey close at night
EYELIDSSnakes' lack
EYELIDSThey sometimes get heavy