Scientists Find a Sleep Duration Sweet Spot for Healthy Aging

By George Citroner, Jun 6, 2026

Dr. Alex Dimitriu, who is board-certified in psychiatry and sleep medicine and was not involved in the study, told The Epoch Times these findings confirm what he’s observed in his practice: Both too little and too much sleep are associated with worse health outcomes. “It reinforces that 7 to 8 hours is the sweet spot for most adults,” he said. “It’s a modifiable risk factor we can control.” Dimitriu added that it’s also good to know that 7 hours may be sufficient for most adults. “So we stop beating ourselves up about not getting 8 [hours]. Just don’t let that become a slippery slope, and start sleeping 6 hours!”

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