Can Fitness | LifestyleCheck help with sleep?

The Fitness | LifestyleCheck measures biomarkers such as CK, cholesterol, HbA1c, calcium, vitamin B12, and vitamin D3. None of these are directly sleep-specific – it does not assess melatonin, cortisol, or other sleep-related hormones. Some markers, like vitamin D or B12, may have indirect associations with sleep quality (e.g., vitamin D deficiency linked to poor sleep), but the test is not designed to diagnose or manage sleep issues. The evidence for such indirect links is mechanistic or observational, not clinically validated for this test. Realistically, this test provides no actionable insights for sleep. For sleep concerns, more targeted tests (e.g., hormone panels, sleep diaries) or a medical consultation are recommended. Note: A single finger-stick result is not a substitute for clinical lab work.