0 1 2 3 Sat 09 Jan 1971 Sat 16 Jan 1971 Sat 23 Jan 1971 Sat 30 Jan 1971 Sat 06 Feb 1971 Sat 13 Feb 1971 Sat 20 Feb 1971 Sat 27 Feb 1971 Mon 01 Mar 1971 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