Associations among sleep disturbances, nocturnal sleep duration, daytime napping, and incident prediabetes and type 2 diabetes: the Heinz Nixdorf Recall Study
B. Kowall, A.-T. Lehnich, K.-H. Strucksberg, D. Führer, R. Erbel, N. Jankovic, S. Moebus, K.-H. Jöckel, A. Stang, Sleep Medicine 21 (2016) 35–41.