0 1 2 3 Sat 10 Dec 1966 Thu 15 Dec 1966 Tue 20 Dec 1966 Sun 25 Dec 1966 Fri 30 Dec 1966 Wed 04 Jan 1967 Mon 09 Jan 1967 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All