Temozolomide Chronotherapy for High Grade Glioma

-Given standard of care

"* 23-item questionnaire that can be completed in 5 to 10 minutes with little or no assistance in patients who are not neurologically incapacitated. This brain subscale is usually used along with the core (general) questionnaire \[2\] that includes 27 items.~* Patients rate all 5 items using a five-point Likert scale ranging from 0 not at all to 4 very much. Overall, higher ratings suggest higher QOL. Items are totaled to produce the following subscales, along with an overall QOL score: physical well-being (7 items); social/family well-being (7 items); emotional well-being (6 items); functional well-being (7 items); and concerns relevant to patients with brain tumors (23 items)~* The sleep portion of this questionnaire consists of 17 questions about sleeping patterns and the ability to rate severity of insomnia."

-Will be required to wear 24 hours per day and will only be removed at specified data collection time points