The slumberous atmosphere of the room made it hard to stay awake.
slumberous state
Frequency:
45
%
He was in a slumberous state after staying up all night.
slumberous morning
Frequency:
35
%
The slumberous morning was perfect for sleeping in.
Idiomatic Expressions for slumberous
Phrase: slumberous eyes
Meaning: eyes that are heavy-lidded or drowsy, often indicating tiredness or sleepiness
Usage: Her slumberous eyes betrayed her exhaustion after a long day at work.