In a report, Dr. Rosanne Barker discusses how wearable technology for tracking sleep may not provide accurate information.

Dr. Rosanne Barker said only a third of Americans get enough quality sleep.

“If we’re getting less than seven hours of sleep we’re unhealthy and unsafe right now. It also shortens our lives and increases the risk of very serious health problems over time,” said Dr. Barker.

Feeling tired is a reason many people turn to fitness trackers and apps.

“It helps motivate me,” said Fusco.

In fact, the devices are even being used to study sleep patterns and look for possible sleep disorders in athlete, but Dr. Barker warns the results may be misleading.

“They do tend to overestimate sleep by about an hour a night for most people, so you want to put what your Fitbit shows in context with how many hours you are in bed,” said Dr. Barker.

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