0 1 2 3 Mon 01 May 1972 Sat 06 May 1972 Thu 11 May 1972 Tue 16 May 1972 Sun 21 May 1972 Fri 26 May 1972 Wed 31 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