【睡眠雑学】なぜ眠れない?体はまだ「戦闘モード」だった|交感神経をゆるめる睡眠導入【1時間44分】

2026 1:44:06
Synopsis
眠れないのは弱さじゃなく、体が戦闘モード(警戒)だから。交感神経をゆるめて眠りへ。 体がまだ「戦闘モード(警戒 ...
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