Longevity investor and XPrize founder Peter Diamandis uses a relatively elaborate multi-part system for getting better sleep. Martine Paris"The Oura ring doesn't help me sleep better," Diamandis said. "It helps me remain true to my commitment," by encouraging him to get at least seven hours of sleep per night. Carlina Teteris/Getty ImagesThe most important element of Diamandis' sleep routine is the timing. Sticking to this strict sleep schedule is the only way he can guarantee he gets close to eight hours of sleep each night.

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