3.3.2. Sleep
Women with less than 6 h of sleep per night at the start of the next pregnancy more often reported a low SOC (SOC < 70; 5 h or less = 54%; 5–6 h = 59%) compared to women with more than 6 h of sleep per night (SOC < 70; 6–7 h = 35% and more than 7 h = 45%) (