Michael A. Grandner, PhD, MTR

  • 7Articles
  • 44.7KReads
  • 2015–2024Active
  • 31Collaborators
  • 168Citations

About

Michael A. Grandner, PhD, MTR, is affiliated with the Department of Psychiatry at the University of Arizona College of Medicine–Tucson. From 2015 to 2024, Grandner has published extensively on topics including suicide risk, sleep disturbances, addiction, neurology, and violence and aggression. His work focuses particularly on the relationship between nocturnal wakefulness and suicide risk, as well as the circadian patterns associated with suicidal behavior. He has frequently collaborated with co-authors such as Michael L. Perlis and Subhajit Chakravorty.

Publications

JCP
Risk for Suicide and Homicide Peaks at Night
Original Research

Risk for Suicide and Homicide Peaks at Night

May 29, 2024

Risk for suicide and homicide is greater at night than expected based on the number of people awake at that time. Nighttime risk was greater among young adults and...
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JCP
Nocturnal Wakefulness and Suicide
Original Research

Nocturnal Wakefulness and Suicide

June 22, 2022

Research examining time-of-day as a potential suicide risk factor has produced mixed results. This study analyzed the time-of-day for suicide cases from the Australian population during an entire calendar...
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JCP
Original Research

Timing of Wakefulness and Suicidal Ideation

September 21, 2021

Prior studies showed that nocturnal wakefulness is linked to suicidality, although high-risk demographics may skew the association. This study investigated if timing of wakefulness was related to suicidal ideation...
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JCP
Original Research

Nocturnal Wakefulness and Season and Method of Suicide

February 25, 2020

Insomnia is a risk factor for suicide, and suicide risk is highest at night. Read this report to learn if this nocturnal risk is affected by other variables such...
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JCP
Original Research

Circadian Pattern of Suicides in Alcohol-Dependent Individuals

October 23, 2018

Are heavy drinkers more likely to die by suicide at a particular time of the day? This study used a large database to examine circadian peaks and nadirs in...
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JCP
Article

Nocturnal Wakefulness and Suicide

June 22, 2016

Insomnia and nightmares have been shown to increase the risk for suicidal ideation and suicide. Could simply being awake at night be a risk factor as well? Perlis et...
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PCC
Article

Sleep-Related Risk Factors for Suicidal Ideation

December 31, 2015

Sleep abnormalities have been increasingly linked with suicidal behavior, although the exact nature of that relationship is unclear. Read this CME article to explore recent research into the relationship...
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