By Sushil Godara
Some studies suggest that bullfrogs can go for weeks without sleep.
Certain species can rest while swimming, potentially eliminating the need for traditional sleep.
Sleep for short periods while standing, with fragmented sleep patterns.
Worker ants take turns resting, maintaining continuous activity.
Stay awake for several days during migration and breeding.
Engage in short, intermittent bouts of sleep, often not exceeding 30 minutes.
Can have limited sleep while standing.
Some species engage in polyphasic sleep, with short sleep bouts throughout the day.