Nap for not more than 20 minutes in order to awaken refreshed and not groggy. if you are sleep-deprived, sleep for a full 90-moment cycle, just be careful that it would not harm your night sleep.
None of the https://www.facebook.com/econopass/posts/pfbid0AEX1p1FDnrm5AKwdR1sDtkp1mx3yQQ1Naa9JT9FQjQTpYZBoHdgdPaX72Qr52GE4l