0 1 2 3 Fri 06 May 1977 Fri 13 May 1977 Fri 20 May 1977 Fri 27 May 1977 Fri 03 Jun 1977 Fri 10 Jun 1977 Fri 17 Jun 1977 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