The Unpaid Shift: What the Research Actually Says About Doctors Charting at Midnight
Physicians spend 8 to 12 hours per week charting after hours. This is not anecdote — it's been measured, replicated across specialties and practice types, and tracked live by the EHR systems themselves. Here's every major study in one place.
Where the term "pajama time" came from
Physicians had a name for it long before anyone studied it. "Pajama time" was informal doctor shorthand for the hours spent charting after the family was asleep — notes from the day that never got finished in the building.
Epic Systems was the first to formalize it. Their Epic Signal performance dashboard defined "Pajama Time" precisely: any EHR login activity recorded between 5:30 PM and 7:00 AM on weekdays , plus any time logged on weekends. For the first time, health systems could see — in aggregate, per physician — exactly how much work was happening outside scheduled hours.
In 2017, Dr. Brian Arndt and colleagues at the University of Wisconsin–Madison brought the term into formal medical literature. Their study in the Annals of Family Medicine ("Tethered to the EHR") quantified what physicians already knew: the work doesn't stop when the clinic closes. That same year, Dr. Tait Shanafelt, Chief Wellness Officer at Stanford Medicine and the leading researcher on physician burnout, carried the term into national health policy discussions — reframing pajama time not as a personal discipline problem, but as a structural failure of how healthcare documentation is designed .
The 2016 Sinsky study: where the 2:1 ratio comes from
The foundational data comes from a 2016 time-and-motion study published in the Annals of Internal Medicine , led by Dr. Christine Sinsky of the AMA: "Allocation of Physician Time in Ambulatory Practice: A Time and Motion Study in 4 Specialties."
Researchers followed physicians through their actual clinic days and measured exactly where the time went. The results were stark:
The ratio: for every 1 hour of direct patient care, physicians spent nearly 2 hours on EHR and administrative tasks . The computer was consuming twice as much of the physician's day as the patient was.
Even inside the exam room — with the patient physically present — physicians spent 37% of that time interacting with the computer , and only 52.9% in face-to-face conversation with the patient. The EHR was present in the room even when the doctor was.
The after-hours data: what the numbers actually show
The Sinsky study measured the clinic day. The pajama time data measures what happens after. Multiple independent surveys now converge on the same range:
Primary care carries the most weight
The burden is not evenly distributed. Primary care and family medicine physicians consistently report the highest pajama time loads — a function of visit volume, note complexity, and the breadth of problems managed per encounter.
An ABFM survey of upper-year family medicine residents found that 32.3% spend 3 or more hours per night on after-hours EHR work. That's before they've even completed training. The pattern established in residency carries forward into practice — where the volume only increases.
The burnout connection
Documentation burden is not just an inconvenience. The Medscape Physician Burnout Report consistently finds that 60 to 62% of physicians cite bureaucratic tasks — charting, prior authorizations, paperwork — as the number one driver of burnout. Nothing else is close. "Too many hours at work" ranks second, cited by 34 to 39%.
The threshold matters. Research shows that spending more than 90 minutes per day on pajama time nearly doubles the odds of a physician reporting severe burnout symptoms and depressive mood. That 90-minute mark is almost exactly where the Epic Signal averages sit — meaning the average physician is living above the burnout threshold every single weeknight.
Stanford research led by Dr. Shanafelt found that high pajama time and inbox message volume were among the strongest predictors of a physician's intent to reduce clinical hours or leave medicine entirely . The documentation burden isn't just burning physicians out in place. It's driving them out of the profession.
The week in full
Put the numbers together. The average physician works a 59-hour week. Of those 59 hours, approximately 27 are spent face-to-face with patients. The other 32 hours are split between in-clinic administrative work and after-hours charting.
The after-hours charting block — 8 to 12 hours per week — represents work physicians do for no additional compensation, at the end of an already long day, in the hours that belong to their families. It is the most expensive part of their week in every sense except the one that shows up on their paycheck.
How to actually reduce after-hours charting
The research above describes the problem. This guide covers what physicians who've solved it actually did — from structural workflow changes to the tool that eliminated the after-hours block entirely.
Notes done before you leave the building.
NoPajamaTime is built to eliminate the after-hours charting block entirely. Every note finished during the visit. No inbox waiting at midnight.