0 1 2 3 Sat 01 Jan 1977 Tue 04 Jan 1977 Fri 07 Jan 1977 Mon 10 Jan 1977 Thu 13 Jan 1977 Sun 16 Jan 1977 Wed 19 Jan 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