A new study of US data suggests a sleep-deprived planet by century’s end. Researchers show that unusually warm nights can harm human sleep and that the poor and elderly are most affected. Rising temperatures will make sleep loss more severe.
A new study of US data suggests a sleep-deprived planet by century’s end. Researchers show that unusually warm nights can harm human sleep and that the poor and elderly are most affected. Rising temperatures will make sleep loss more severe.