Find out what years of nights have added up to.
Ten quick questions, scored against the published shift-work literature. You get a number from 0 to 100, and exactly what is driving it.
About 60 seconds · Based on the published shift-work literature
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You are carrying a moderate load
Working Against the Clock
The field guide to protecting your body on night shifts — sleep, light, food timing, and what the research actually supports.
Download the guideUnderneath the habits above sits something you cannot see. Your cells run on a coenzyme called NAD+, which powers energy production and repair. NAD+ falls with age and is drawn down further by sleep loss and circadian disruption, which means slower cellular recovery between shifts.
The strongest levers for protecting it are the boring ones: protect your sleep, get bright light early in your shift and darkness after, and keep a daytime eating window. Beyond those, NMN is a direct NAD+ precursor. In human trials it reliably raised blood NAD+ levels and was well tolerated, with early evidence at the dose the studies used pointing to better sleep quality and lower daytime fatigue. No trial has tested it in shift workers specifically, so it is promising rather than proven.
Stratus is a single ingredient: 500mg of NMN per capsule, the form used in the research, nothing else added.
This score reflects exposure factors from the published shift-work literature. It is educational, not a medical diagnosis. NMN is a dietary supplement and is not intended to diagnose, treat, cure, or prevent any disease.