cold-weather sleep

noun
UK /kəʊld ˈwɛðə sliːp/
US /koʊld ˈwɛðər slip/

Sleeping when it is very cold outside, often with extra blankets to stay warm.

We had a cold-weather sleep in the cabin, bundled under three blankets.


OTHER MEANINGS

2. A long, deep sleep during cold months, like an animal resting through winter.

The bears went into their cold-weather sleep as the snow began to fall.

3. A camping trip where you sleep outdoors in cold conditions.

The scouts planned a cold-weather sleep in the snowy woods.

4. A night of rest made cozy by warm bedding and a cold room.

She loves a cold-weather sleep with the window open and a thick quilt.