0 1 2 3 Fri 17 Jan 1975 Fri 24 Jan 1975 Fri 31 Jan 1975 Fri 07 Feb 1975 Fri 14 Feb 1975 Fri 21 Feb 1975 Fri 28 Feb 1975 Fri 07 Mar 1975 Fri 14 Mar 1975 Fri 21 Mar 1975 Fri 28 Mar 1975 Mon 31 Mar 1975 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