Building Circadian Effective Spectra: An Open Source C Language Toolkit

Intrinsic circadian clocks control the sleep patterns of most species on the earth. Having a natural period ~10’ longer than 24 h, they must be reset to the natural day/night cycle daily. The critical input (Zeitgeber) “resetting” this internal clock is the temporal variation of the spectrum and intensity of light across the 24-h day. To develop artificial lighting that mirrors sunlight in an individually tailored, dynamic way to control …