Integrating habit science and learning theory to promote maintenance of behavior change: does adding text messages to a habit-based sleep health intervention (HABITs) improve outcomes for eveningness chronotype young adults? Study protocol for a randomized controlled trial

Table 3 Frequency of texts per week

	Week 3^c	Week 4	Week 5	Week 6	Week 7	Week 8
Cues^a	7	4	4	3	2	2
Self-monitoring	7	7	7	7	7	7
Reward^b	7	4	4	3	2	2

^a If the participant has both a primary and a secondary habit bundle, they will receive a separate cue for each habit bundle. ^b This is the text messaging reinforcement schedule when the reply to the self-monitoring text is “Y.” When the reply is “N,” we reply with a modified version of “That’s okay! Let’s try again tomorrow!”^c Week 3 starts after session 3 has been completed. In other words, week 8 ends once session 9 takes place

ISSN: 1745-6215