The present study examines the effects of potassium supplementation on sleep quality as indicated by the use of a wrist monitor and sleep logs, in normal young males on a low-potassium diet. A placebo-controlled study compared one week of oral potassium chloride supplements to one week of identical placebo capsules.
The results: Potassium significantly increased Sleep Efficiency due to a reduction in Waking After Sleep Onset. Side effects were minimal and not significantly different between treatment conditions. The results may indicate an improvement in sleep consolidation (less interruptions) with potassium supplementation
.. Reference: The Journal “Sleep”, August 1991.
Comments from the blog author, Nutrition Breakthroughs: One of the best, highest sources of potassium is the banana, which contains 400 milligrams of potassium. Eating a banana before bedtime may help reduce nighttime awakenings and provide better, deeper sleep. A banana can also be eaten in the middle of the night to help you get back to sleep.
Here is a list of some high-potassium foods; courtesy of the Linus Pauling Institute:
Banana 1 medium 422 mg
Potato, baked with skin 1 medium 926 mg
Prune juice 6 fluid ounces 528 mg
Plums, dried (prunes) 1/2 cup 637 mg
Orange juice 6 fluid ounces 372 mg
Orange 1 medium 237 mg
Tomato juice 6 fluid ounces 417 mg
Tomato 1 medium 292 mg
Spinach, cooked 1/2 cup 420 mg
Sunflower seeds 1 ounce 241 mg
Almonds 1 ounce 200 mg
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