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Study Finds Omega-3 Fatty Acids May Improve Sleep Efficiency

Getting enough quality sleep at the right times can help protect your mental health, physical health, and quality of life. A recent study has found that supplementation with EPA or DHA fatty acids may help improve sleep efficiency.

Eighty-four adults with an average age of 37.5 participated in the study. One-third were given capsules containing 900 mg of DHA and 270 mg of EPA daily for 26 weeks. One-third were given capsules containing 900 mg of EPA and 360 mg of DHA, and one-third were given a placebo. Participants wore a sleep monitor and completed a sleep diary for 7 nights before supplementation began, and for 7 more nights during the last week of supplementation.

Participants in the DHA-rich group saw significant increases in sleep efficiency and decreases in sleep latency compared to placebo. However, they reported that they felt less rested than the placebo group, and less energetic than the EPA-rich group.

Participants in the EPA-rich group saw significant increases in sleep efficiency compared to the placebo group. They also saw a significant decrease in total time in bed and total sleep time compared to the DHA-rich group. Despite this, they reported increases in subjective sleep quality.

The study was conducted by researchers from Northumbria University and the University of Southampton.It was published online ahead of print on January 16, 2021 in the journal Nutrients,

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