0 1 2 3 Fri 09 Jun 1972 Tue 13 Jun 1972 Sat 17 Jun 1972 Wed 21 Jun 1972 Sun 25 Jun 1972 Thu 29 Jun 1972 Mon 03 Jul 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