0 1 2 3 Tue 18 Apr 1972 Sun 23 Apr 1972 Fri 28 Apr 1972 Wed 03 May 1972 Mon 08 May 1972 Sat 13 May 1972 Thu 18 May 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