View clinical trials related to Sleep Disruption.
Filter by:Medical students score higher than the general population on measures of depression, anxiety, fatigue, poor sleep and sleepiness. Data suggest that disparages in circadian phase might contribute to these problems. From an internal validity standpoint, first year medical students are an ideal group to study. The majority of the students will be matched on variables such as education, age, and intelligence. However, more importantly, they have a nearly identical life style when it comes to factors such as schedule, living conditions, level of stress, and timing of stressors. The specific aim and hypothesis is:Medical students randomized to sleep hygiene counseling plus simulated dawn will report less depression, anxiety, fatigue, sleepiness, and sleep disruption (as measured by standardized questionnaires) than students randomized to just sleep hygiene counseling.
The primary study objective is to determine whether mattress firmness affects pain in patients with chronic low-back pain. We hypothesize that mattresses that differ in their firmness and support should have a varying effect on low-back pain patients' level of pain and pain-related disability. We also seek to test the hypothesis that the optimal mattress might vary from person to person. In this regard, we will test: 1. Whether there is a single mattress that is superior to the others in terms of reducing low-back pain and pain related disability. 2. Whether the optimal mattress for reducing pain varies in the observed population.