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Lawrence Epstein, MD

Lawrence Epstein, MD
Contributor

Lawrence Epstein, MD is an Assistant Professor in Medicine at Harvard Medical School, the Assistant Medical Director of the Sleep Disorders Service and Program Director for the sleep medicine fellowship program at Brigham and Women’s Hospital in Boston. He is board certified in Internal Medicine, Pulmonary Diseases, Critical Care Medicine and Sleep Medicine. He is a Past President of the American Academy of Sleep Medicine and the Medical Editor of the Harvard Medical School Special Health Report: Improving Sleep.

Posts by Lawrence Epstein, MD

Shorter dream-stage sleep may be related to earlier death

Lawrence Epstein, MD

Contributor
Alice Cai, MD

Contributor

It’s well known that getting enough sleep is critical to daily functioning and long-term health. Now, new research suggests that a lack of enough REM sleep may be related to earlier death in people at middle age or older.

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Why your sleep and wake cycles affect your mood

Lawrence Epstein, MD

Contributor
Syed Moin Hassan, MD

Contributor

The body’s circadian rhythm controls our sleep-wake cycle, so an irregular rhythm can negatively affect sleep and proper functioning, which can lead to health problems including mood disorders. The tendency to rise early or stay up late is genetically determined, but you may be able to adjust your life to better match your circadian rhythm.

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