Longest Sleeping Creatures on Earth

Longest Sleeping Creatures on Earth

Radiocity
By Radiocity Team
Published Jul 07, 2025
This tiny creature can hibernate for up to 3 years in dry conditions. It seals itself off and waits for better days.

Garden Snail

This tiny creature can hibernate for up to 3 years in dry conditions. It seals itself off and waits for better days.

Hibernates alone underground for up to 9 months during winter. She emerges only when it’s time to rebuild the colony.

Queen Bumblebee

Hibernates alone underground for up to 9 months during winter. She emerges only when it’s time to rebuild the colony.

Sleeps for 7-8 months to survive harsh alpine winters. Their entire metabolism slows to save energy.

Alpine Marmot

Sleeps for 7-8 months to survive harsh alpine winters. Their entire metabolism slows to save energy.

Brown Bear

Hibernates for up to 7 months without eating, drinking, or waking. The ultimate winter sleeper of the forest.

Arctic Ground Squirrel

Can sleep for 8 months in freezing conditions, even dropping body temperature below zero. It’s a master of frozen hibernation.

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Columbian Ground Squirrel

Survives long winters by hibernating for 7-9 months. Wakes only when spring truly returns.

Fat-Tailed Dwarf Lemur

The only known hibernating primate, sleeping for up to 7 months. Stores fat in its tail to survive the long nap.

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