0 1 2 3 Thu 12 Dec 1957 Fri 27 Dec 1957 Sat 11 Jan 1958 Sun 26 Jan 1958 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