A new study by researchers at Penn Medicine is the first to reveal that suicides are far more likely to occur between midnight and 4 a.m. than during the daytime or evening. The research abstract was published recently in an online supplement of the journal Sleep and will be presented at SLEEP 2014, the 28th annual meeting of the Associated Professional Sleep Societies LLC.

A new study from researchers at the Perelman School of Medicine at the University of Pennsylvania suggests that marijuana use may be associated with impaired sleep quality, especially in people who have been using the drug since their teenage years.

The Society for Cardiovascular Angiography and Interventions Foundation (SCAI) has presented Penn Medicine’s Mitul Kadakia, MD, with the 2014 Gregory Braden Memorial Fellow of the Year Award in recognition of his outstanding performance as an interventional cardiology fellow-in-training.

The sedative drugs diazepam (Valium) and lorazepam (Ativan) are equally effective in treating the prolonged seizures known as status epilepticus in children, according to a randomized, controlled study by a multi-institution team of researchers with the Pediatric Emergency Care Applied Research Network, including an expert from the Perelman S

A multi-institutional team led by researchers at the Perelman School of Medicine at the University of Pennsylvania has found that despite widespread rumors of limited access to primary care services, providers across the country were capable of accepting new patients pr

Combatting the tissue degrading enzymes that cause lasting damage following a heart attack is tricky. Each patient responds to a heart attack differently and damage can vary from one part of the heart muscle to another, but existing treatments can’t be fine-tuned to deal with this variation. 

Penn Medicine experts presented research findings that could come to define new standards of cardiovascular care, including findings on the efficacy of novel interventions for treatment resistant hypertension and atherosclerosis, at the 2014 American College of Cardiology Scientific Session, ACC.14.

The decision to initiate dialysis for acute kidney injury (AKI) varies depending on different patient factors and there is a lack of robust evidence as to which patients are likely to benefit most and why.

Most people appreciate that not getting enough sleep impairs cognitive performance. For the chronically sleep-deprived such as shift workers, students, or truckers, a common strategy is simply to catch up on missed slumber on the weekends. According to common wisdom, catch up sleep repays one's "sleep debt," with no lasting effects.

In the fight against a nationwide prescription opioid abuse epidemic, Penn Medicine researchers are using storytelling to help doctors recall important, potentially lifesaving national guidelines on how to prescribe these medications.