0 1 2 3 Fri 25 Jan 1980 Fri 01 Feb 1980 Fri 08 Feb 1980 Fri 15 Feb 1980 Fri 22 Feb 1980 Fri 29 Feb 1980 Fri 07 Mar 1980 Fri 14 Mar 1980 Fri 21 Mar 1980 Fri 28 Mar 1980 Fri 04 Apr 1980 Tue 08 Apr 1980 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