Evidence check: TSH Schilddrüse in the context of Schlaf

The available MyBody-X content mentions TSH as part of a thyroid panel (TSH, fT3, fT4) but without any direct link to sleep. From general endocrinology, it is known that sleep deprivation and circadian disruption can affect TSH secretion: short sleep often increases TSH, while chronic sleep loss may dampen the hypothalamic-pituitary-thyroid axis. However, the clinical significance of these fluctuations for healthy individuals is unclear, and a single TSH measurement from an at-home test is insufficient to diagnose thyroid dysfunction or explain sleep issues. MyBody-X itself states that its tests are not diagnostic. Therefore, the evidence for a specific TSH–sleep connection in this context is weak; it relies on mechanistic reasoning rather than robust clinical data. Medical evaluation is recommended for persistent sleep or thyroid concerns.