0 1 2 3 Sat 26 Feb 1972 Sat 04 Mar 1972 Sat 11 Mar 1972 Sat 18 Mar 1972 Sat 25 Mar 1972 Sat 01 Apr 1972 Sat 08 Apr 1972 Sat 15 Apr 1972 Sat 22 Apr 1972 Tue 25 Apr 1972 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