Some mammals sleep nearly the entire day: koalas, 22 hours; brown bat, 19.9 hours; and pangolins, 18 hours. Other mammals barely sleep at all: giraffes, 1.9 hours (in five to 10 minute naps); roe deer, 3.09 hours; Asian elephant, 3.1 hours. Exercise Is One Of Sleep's Best Friends ...
Some mammals sleep nearly the entire day: koalas, 22 hours; brown bat, 19.9 hours; and pangolins, 18 hours. Other mammals barely sleep at all: giraffes, 1.9 hours (in five to 10 minute naps); roe deer, 3.09 hours; Asian elephant, 3.1 hours. Exercise Is One Of Sleep's Best Friends ...
Some mammals sleep nearlytheentireday: koalas, 22 hours; brown bat, 19.9 hours; and pangolins, 18 hours. Other mammals barely sleep at all: giraffes, 1.9 hours (in five to 10 minute naps); roe deer, 3.09 hours; Asian elephant, 3.1 hours. ...