Melatonin supplement use among U.S. adults has grown more than fivefold since 1999, but a preliminary study presented at the American Heart Association’s Scientific Sessions 2025 linked long-term use to increased heart failure risk and doubled all-cause mortality. As questions about melatonin’s safety profile grow, a parallel movement is gaining ground: somatic sleep protocols, body-first techniques that address the nervous system directly rather than adding a hormone. A 2026 meta-analysis of 14 randomized controlled trials found that progressive muscle relaxation significantly improved sleep quality across 957 participants. A separate 2026 systematic review found that yoga nidra improved sleep onset latency,…
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