Earlier to bed, lighter by morning: sleep coaching boosts weight loss in prediabetes trial

The cheapest diabetes-prevention tool might be a pillow. In a randomised trial led by Susan Kohl Malone at NYU's Rory Meyers College of Nursing, 196 adults with prediabetes who habitually slept under six and a half hours were assigned to a standard lifestyle programme, or the same programme plus sleep coaching. The sleep group went to bed earlier, slept better, felt less daytime sleepiness — and lost more weight, the outcome that most protects against type 2 diabetes. Blood sugar itself did not change in eight weeks, the researchers note in Nursing Research, but the result reframes sleep from a lifestyle garnish into a working part of prevention.

SDG 3 · Good health and well-being — Mechanism: behaviour campaign