Marino Theodor Larsen Persiani

A digital mindfulness intervention improves sleep efficiency and heart rate variability in healthy adults.

Scientific Reports March 21, 2026 Ulrich Kirk, Cirkeline Nellemann Hovgaard, Marino Theodor Larsen Persiani et al.

To test whether a 10-day mindfulness program delivered through the ŌURA app improves sleep and stress in healthy adults, eighty-one adults were randomized to mindfulness (n = 49) or waitlist control (n = 32). Participants wore an Ōura ring during baseline, intervention/wait-list, and 4-week follow-up, recording sleep efficiency, total, deep, and light sleep, plus sleep-onset time....