0 1 2 3 Tue 09 May 1972 Fri 12 May 1972 Mon 15 May 1972 Thu 18 May 1972 Sun 21 May 1972 Wed 24 May 1972 Sat 27 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