Medications for better sleep are ubiquitous. But they’re no cure-all. (Credit: YAKOBCHUK VIACHESLAV/Shutterstock)

The importance of a good night’s rest cannot be overstated. Poor sleep is linked to all-cause mortality, which means getting too little or too much sleep are “significant predictors of death,” according to a 2010 meta-analysis study. But good sleep is increasingly a privilege, as stress, workloads and the trappings of a modern lifestyle squeeze out valuable shut-eye.

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