DyssomniaNN: Multi-Scale Spiking Neural Modeling of Human Sleep Disorders and Perceived Restedness
Why feeling rested has little to do with how long you actually slept
A computer model of the sleeping brain reveals why some people sleep a normal amount but feel exhausted, while others with severe sleep fragmentation might feel better rested. The model mimics five different sleep conditions—from healthy sleep to narcolepsy and paradoxical insomnia—and shows that sleep quality depends on brain activity patterns, not duration alone: one patient slept over 21 hours but felt only 38% restored because of unwanted brain waves during sleep, while another had 13 hours of nighttime waking yet experienced different restoration patterns.
Sleep doctors often can't explain why patients complain of exhaustion despite normal sleep duration on overnight tests. This model identifies the hidden brain mechanisms causing that mismatch, opening a path to diagnose sleep disorders more accurately and test new treatments in simulation before prescribing them to patients. It could help clinicians distinguish between disorders that look similar on standard sleep tests but require different treatments.