According to the European Neurology Journal, calcium levels are at their highest during our deep rapid eye movement (REM) sleep periods. What this means is that if you never get to the REM sleep phase or if it’s limited, it could be related to a calcium deficiency. Researchers indicate that the calcium is important because it helps the cells in the brain use the tryptophan to create melatonin — a natural body-producing sleep aid. (4)
Give yourself some dedicated wind-down time. It doesn’t have to be a full hour or an elaborate routine, but try to spend at least 20 to 30 minutes doing something that relaxes you before you try to fall asleep. That could be taking a warm bath or shower, changing into comfy pajamas and sipping a cup of chamomile tea. Or something completely different — so long as it’s relaxing to you.