1. Preface

   • Yoshihiro Urade

   EditorialNotes 28 July 2016 Pages: 1 - 1

2. A dose-response investigation of the benefits of napping in healthy young, middle-aged and older adults

   • Catherine E. Milner
   • Kimberly A. Cote

   Original Article 28 July 2016 Pages: 2 - 15

3. A brief behavior therapy administered by correspondence improves sleep and sleep-related behavior in poor sleepers

   • Yoshiko Adachi
   • Chifumi Sato
   • Yuriko Doi

   Original Article 28 July 2016 Pages: 16 - 21

4. Small shifts in diurnal rhythms are associated with an increase in suicide: The effect of daylight saving

   • Michael Berk
   • Seetal Dodd
   • Margaret Henry

   Original Article 28 July 2016 Pages: 22 - 25

5. Gamma band EEG activity is enhanced after the occurrence of rapid eye movement during human REM sleep

   • Takashi Abe
   • Tatsuya Matsuoka
   • Tadao Hori

   Original Article 28 July 2016 Pages: 26 - 33

6. Short daytime naps in a car seat to counteract daytime sleepiness: The effect of backrest angle

   • Mitsuo Hayashi
   • Akiko Abe

   Original Article 28 July 2016 Pages: 34 - 41

7. Heart rate variability and body temperature during the sleep onset period

   • Kazue Okamoto-Mizuno
   • Yukari Yamashiro
   • Shuichiro Shirakawa

   Original Article 28 July 2016 Pages: 42 - 49

8. Late bedtime after 22.00 hours affects daily weight gain in 4-month-old infants

   • Yoshiko Adachi
   • Chifumi Sato
   • Junko Hayama

   Short Paper 28 July 2016 Pages: 50 - 52

9. Do you perform the multiple sleep latency test according to the guidelines? A case with multiple sleep onset REM periods

   • Akira Usui
   • Yuichi Kitahara
   • Nobutaka Motohashi

   Short Paper 28 July 2016 Pages: 53 - 55

10. Severe periodic limb movement disorder presented in chronic renal failure at the stage of pre-dialysis

    • Masakazu Wakai

    Short Paper 28 July 2016 Pages: 56 - 59