Meditation acutely improves psychomotor vigilance, and may decrease sleep need.
Behavioral and brain functions : BBF July 29, 2010 Prashant Kaul, Jason Passafiume, Craig R Sargent et al.
A number of benefits from meditation have been claimed by those who practice various traditions, but few have been well tested in scientifically controlled studies. Among these claims are improved performance and decreased sleep need. Therefore, in these studies we assess whether meditation leads to an immediate performance improvement on a well validated psychomotor vigilance task (PVT), and...