Subhajit Chakravorty, MD

Department of Psychiatry, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania

JCP
Risk for Suicide and Homicide Peaks at Night
Original Research

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...
Andrew S. Tubbs, Fabian-Xosé Fernandez, Elizabeth B. Klerman, et al
PCC
Brief Report

November 19, 2020

Insomnia and short sleep duration are linked to increased morbidity from cardiometabolic and neuropsychiatric disorders. This study investigated the prevalence and common clinical correlates of insomnia with subjective short...
Ilia Kritikou, Philip R. Gehrman, Diego R. Mazzotti, et al
JCP
Original Research

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...
Andrew S. Tubbs, Michael L. Perlis, Mathias Basner, et al
JCP
Original Research

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...
Subhajit Chakravorty, Rachel V. Smith, Michael L. Perlis, et al
JCP
Article

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...
Michael L. Perlis, Michael A. Grandner, Gregory K. Brown, et al
PCC
Article

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...
Subhajit Chakravorty, H.Y. Katy Siu, Linden Lalley-Chareczko, et al
PCC
Letter to the Editor

December 10, 2015

Erin Koffel, Paul Thuras, Subhajit Chakravorty, et al
PCC
Letter to the Editor

October 31, 2013

Ninad S. Chaudhary, Subhajit Chakravorty, John L. Evenden, et al

Celebrating
85 Years

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