This study aimed to explore the effects of a single bout of moderate- aerobic continuous exercise (MACE) and high-intensity intermittent exercise (HIIE) on sleep during continuous night shifts in medical shift workers with mild sleep impairment.
Medical staff with sleep disturbances due to their night-shift work were randomized to either a treadmill walking session for 47 minutes with moderate intensity (the heart rate reaches 70\~75% of the maximum heart rate), treadmill running section for 28 minutes with intermittent high-intensity (the heart rate reaches 90\~95% of the maximum heart rate for 4 minutes and 50\~70% for 3 minutes), or a quiet-rest control, 14 hours before undertaking a continuous night shift. Sleep quality was assessed by ActiGraph with subjective questionnaire for 1 night and 3 nights after exercise. Tests were performed (t-tests or χ2 tests) to test for differences between any two of the three intervention trials.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
19
moderate exercise for 47 minutes
interval exercise for 28 minutes
without exercise
National Taiwan University of Sport
Taichung, North, Taiwan
total sleep time
total sleep time on Day 1
Time frame: Day 1
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