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CHRONIC SLEEP DEPRIVATION IS ASSOCIATED WITH INCREASED CALORIC INTAKE AND ALCOHOL CONSUMPTION .

CHRONIC SLEEP DEPRIVATION IS ASSOCIATED WITH INCREASED CALORIC INTAKE AND ALCOHOL CONSUMPTION . Giulia Galli 1, 2 , Lilian de Jonge 1 , Megan Mattingly 1 , Kristen L. Knutson 3 , Xiongce Zhao 1 , Diane Della Valle 4 , Giovanni Cizza 1 . for the NIDDK Sleep Extension Study.

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CHRONIC SLEEP DEPRIVATION IS ASSOCIATED WITH INCREASED CALORIC INTAKE AND ALCOHOL CONSUMPTION .

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  1. CHRONIC SLEEP DEPRIVATION IS ASSOCIATED WITH INCREASED CALORIC INTAKE AND ALCOHOL CONSUMPTION. Giulia Galli 1, 2, Lilian de Jonge1, Megan Mattingly1, Kristen L. Knutson3, Xiongce Zhao1, Diane Della Valle4, Giovanni Cizza1. for the NIDDK Sleep Extension Study. 1Diabetes Endocrinology and Obesity Branch, NIH/NIDDK, Bethesda, MD, Department of Endocrinology and Kidney, University Hospital of Pisa, Pisa, Italy., 3Department of Medicine, University of Chicago, Chicago, Illinois.4Nutrition Department, NIH Clinical Center, Bethesda, MD. Results Introduction A relationship between short sleep and weight gain over time has been shown on numerous occasions. Acute sleep deprivation increases food intake both in animals and humans, but little is known about food intake in chronically sleep deprived obese individuals. . Aim To understand the relationship between sleep, food intake and alcohol consumption under free-living conditions in chronically sleep deprived obese individuals who sleep less than 6.5 hours per day. Methods Study Cohort 126 participants (96F/30M) were randomized for the Sleep Extension Study between January 2007 and June 2011, The Sleep Extension Study is a randomized, prospective, intervention trial of obese (BMI 29-55 kg/m2) men and premenopausal women aged 18 to 50 years who report sleeping less than 6.5 hours per night on average. Anthropometrics Body composition was measured by Body Mass Index (BMI), waist and neck circumference, DEXA and CT scans. Food Intake Energy, macronutrient, caffeine and alcohol intake were assessed by 3-day food recall. Sleep Measurements Wrist actigraphy (Phillips Respironics, USA) objectively measured sleep duration and sleep efficiency over two consecutive weeks. Subjective sleep durationwas a part of the Pittsburgh Sleep Quality Index (PSQI). Sleep quality was evaluated by the PSQI global score, Epworth Sleepiness Scale, and Respiratory Disturbance Index score from an overnight test with an ARES unicorder (Watermark Medical, USA). • Results • A trend for increased carbohydrate (p=0.06) and protein intake (p=0.056) with decreased sleep were found. • For each 60 min deficit/d in sleep duration there was an increase of 214 kcal/d in energy intake and 4 g/d in fat intake. • For each 60 min decrease in sleep duration there was an increase of 1.2g of alcohol intake. • Conclusions • The results of our study suggest that: • Alcohol intake and caloric and fat intake are increased in mild, chronic sleep deprived individuals. • These data may have important clinical implications for the successful prevention and treatment of obesity • Current dietary and physical activity recommendations should be complemented by adequate, evidence-based recommendations for “sleep hygiene”.

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