Drinking Tart Cherry Juice Improves Sleep Efficiency

by VR Sreeraman on  December 9, 2011 at 1:21 PM Research News   - G J E 4
Tart cherry juice can help those who are struggling to get proper sleep at night. Intake of two glasses of tart cherry juice daily can help one to get a better night's sleep, a new study has suggested.
 Drinking Tart Cherry Juice Improves Sleep Efficiency
Drinking Tart Cherry Juice Improves Sleep Efficiency

An international team of researchers found that adults who consumed tart cherry juice slept 39 minutes longer, on average, and had up to 6 percent increase in overall sleep efficiency (significantly less non-sleep time in bed), compared to when they drank a non-cherry, fruit cocktail.

In a study conducted at Northumbria University, twenty healthy adults drank two servings of tart cherry juice concentrate (30mL of 100% pure Montmorency juice concentrate per serving, diluted in a half pint of water; provided by CherryActive, Sunbury, UK) or a non-cherry fruit drink for seven consecutive days at a time - one serving when they woke up, and another before bed.

The researchers tracked participant's sleep habits, and after drinking the cherry juice, they found significant improvements in sleep behaviors, most notably longer sleep time, less daytime napping and increased overall sleep efficiency (the ratio of time spent in bed to time spent sleeping) compared to when they drank the non-cherry juice drink.

The researchers attribute the sleep benefits to the melatonin content of the red Super Fruit - a powerful antioxidant critical for sleep-wake cycle regulation. Each serving of the tart cherry juice concentrate was estimated to contain the equivalent of 90 - 100 tart cherries, providing a significant level of melatonin in the juice and ultimately in the bodies of the participants.

Previous research has supported the benefits of tart cherries as a sleep aid - a potentially wide-reaching benefit since nearly one-third of all Americans suffer from sleep disturbances affecting their health and wellbeing, according to the Centers for Disease Control and Prevention.

Currently, Americans spend more than $84 million on over-the-counter sleep aids each year, leaving many searching for cost-effective ways to help manage their conditions.

While more research is necessary before medical professionals turn to cherries as a sole treatment for sleep disorders, the scientists conclude that tart cherry juice concentrate could be a viable "adjunct intervention for disturbed sleep across a number of scenarios."

Source: Eurekalert

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