The purpose of this study is to slow down the aging of the participant's brain by improving sleep quality.

Inclusion Criteria:

• English-speaking healthy subjects age 55 years and older capable and willing to consent to participate in the study. In addition, subject should be cognitively normal and have well documented sleep issues that results with poor sleep quality based on self-reported assessment.

Exclusion Criteria:

• pregnant women
• cognitively impaired subjects not able to provide consent
• prisoners
• Subjects 55 years of age and older that meet criteria for mild cognitive impairment.
• Subjects with any neurological disorder.
• Any other condition that in the opinion of the investigator may affect the participation in this study