0159 Sleep-wake stability and variability in the middle-aged adult population: a UK Biobank study-V45IS1 0159 Sleep-wake stability and variability in the middle-aged adult population: a UK Biobank study-V45IS1 Download 0151 Subjective sleep onset latency is influenced by the sleep structure and body heat loss in human subjects -V45IS1 0202 Predicting Sleep Inertia in a Biomathematical Model of Fatigue and Performance: A Novel Approach-V45IS1