Our bodies work on 24-hour circadian rhythms, so seeing the sunshine simultaneously each day can help keep the interior clock in sync. (On cloudy or rainy days, filtered sunlight will still have an impact.) It may be https://www.facebook.com/econopass/posts/pfbid0AEX1p1FDnrm5AKwdR1sDtkp1mx3yQQ1Naa9JT9FQjQTpYZBoHdgdPaX72Qr52GE4l