0 1 2 3 Sat 22 Apr 1972 Thu 27 Apr 1972 Tue 02 May 1972 Sun 07 May 1972 Fri 12 May 1972 Wed 17 May 1972 Mon 22 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