Why Can’t I Sleep When I’m Stressed About Work?
- Sara Becker, PT, DPT
- Apr 27
- 5 min read
Updated: Jul 16
You finally get into bed. The emails are done. Tomorrow’s calendar is set. The house is quiet.
But your brain? Wide awake.
You start thinking about meetings, deadlines, money, coworkers, clients, performance, or everything you forgot to do. You may even fall asleep… only to wake at 3 a.m. already mentally at work.
If this sounds familiar, the issue may not be that you “can’t relax.” It may be that your nervous system still thinks work is happening.
As a physical therapist who helps people regulate stress through body-based nervous system work, I often see professionals who are doing all the “right” things for sleep—but their body is still stuck in alert mode.
Disclaimer: The content on this site and my posts are for educational and informational purposes only and not meant as medical advice. It is not intended as medical advice or to replace a relationship with a qualified healthcare professional. There is absolutely no assurance that any statement contained or cited in an article touching on medical matters is true, correct, precise, or up-to-date. Please consult a clinician that is familiar with your care, if you have specific questions for your own care.
The Real Reason You Can’t Sleep When You’re Stressed About Work
Sleep is not just about being tired. Sleep requires your body to feel safe enough to power down.
When work stress piles up, your body can shift into a protective state often called fight-or-flight. This can happen even if you’re sitting still, smiling, and functioning well during the day.
That means at bedtime, instead of shifting into recovery mode, your body may still be acting like there is something urgent to solve.
For many people, the vagus nerve plays a major role in this shift between stress mode and recovery mode. If you're new to that concept, read my guide on Understanding the Vagus Nerve to learn how it influences sleep, digestion, mood, heart rate, and stress resilience.
Common signs include:
Waking up thinking about emails or tasks
Jaw clenching at night
Shallow breathing
Tight chest or ribs
Restless sleep
Waking between 2–4 a.m.
Feeling exhausted but unable to switch off
Sunday night insomnia before the work week
The good news is that your bedtime routine isn't the only opportunity to improve sleep. What you do throughout the day matters just as much. Small, consistent brain-based exercises can help reduce the stress load your brain is carrying before your head ever hits the pillow. That's exactly why I created the 5-Minute Stress Reset—to help people address stress before it turns into another restless night - launching in August 2026!
Hidden Stressors Most Professionals Miss
Many people assume stress only counts if they feel stressed.
But your nervous system also responds to physical stressors and subtle pressure.
Tight Ribs and Poor Breathing Mechanics
If your ribs barely move and you breathe mostly into your chest, your body may interpret that as stress physiology.
Your breath is one of the fastest ways your nervous system reads safety or danger.
Constant Mental Load
Even after work ends, many professionals keep rehearsing tomorrow in their mind.
Your laptop may be closed, but internally the shift never ended.
Shame and Pressure
Thoughts like:
“I should be doing more.”
“I’m behind.”
“I can’t drop the ball.”
“Why can’t I handle this better?”
These thoughts can keep the body activated long after bedtime.
Why Sleep Tips Sometimes Don’t Work
If your nervous system is still in threat mode, sleep hacks alone may not be enough.
You can take magnesium, turn off your phone, and use a white noise machine—but if your body still feels like tomorrow is an emergency, sleep can stay difficult.
This is also why many people with ongoing symptoms like IBS, dizziness, palpitations, throat tightness, fatigue, anxiety, or chronic pain may struggle with sleep too. These patterns can sometimes overlap with vagus nerve dysfunction. I break that down more in Vagus Nerve Disorders and Symptoms.
That’s why root-cause work matters.
What Actually Helps: Calming the Body First
Here are three strategies I often recommend, but really depends on the individual person:
Vagus Nerve Stimulation
The vagus nerve helps shift the body into a rest-and-digest state. Gentle stimulation can support downshifting before bed.
This can include:
Humming
Gargling
Slow extended exhales
Eye and neck relaxation drills
Specific body-based techniques
If you want a deeper explanation of how this works, start with Understanding the Vagus Nerve.
(If you’re curious about devices, there are pros and cons to vagus nerve stimulators depending on the person.)
Rib Mobility Work
If your ribs are stiff, your breath often stays shallow and stress-based.
Gentle rib mobility and diaphragmatic expansion can help tell the body it is safe enough to let go.
I teach you these in my in-person or virtual sessions
Don't Wait Until Bedtime
One of the biggest mistakes I see is waiting until bedtime to try to calm the brain and body. By then, your brain has already spent the entire day processing work, responsibilities, deadlines, and everything else life has thrown at it.
The 5-Minute Stress Reset was designed to fit into real life. Instead of spending an hour trying to unwind at night, you'll learn a short brain-based routine that helps reduce the effects of stress before it has a chance to build throughout the day
Not ready yet? Start with my free brain-based exercise for stress.
A Real Client Example
One client came in feeling successful on paper—but waking every morning immediately stressed about work.
After just one vagus nerve-focused session aimed at reducing nervous system load, they reported:
“This is the first time I woke up and wasn’t immediately stressed about work.”
That’s what happens when we stop only managing the mind and start helping the body feel safe again.
If You Can’t Sleep Because of Work Stress, Ask This Instead
Instead of asking:
“What’s wrong with me?”
Try asking:
“What is keeping my nervous system on guard?”
That question often changes everything.
If you also notice digestive issues, dizziness, jaw tension, throat tightness, or chronic overwhelm, reading Vagus Nerve Disorders and Symptoms may help connect more dots.
Final Thought
Many professionals aren’t bad at relaxing.
They’re carrying a body that forgot work ended.
When you help the body feel safe, sleep often becomes much easier.
What Makes Releaseology Different
At Releaseology, I specialize in identifying and addressing the root causes of pain and dysfunction, including vagus nerve disorders. My holistic approach combines manual therapies, nervous system regulation techniques, and advanced modalities to restore balance and vitality. Whether you’re struggling with chronic pain, digestive issues, or emotional imbalances, my one-on-one, hands-on care can help you achieve lasting relief.
Don’t let vagus nerve dysfunction hold you back. Book your session today and experience the Releaseology difference. Let’s get to the root of your symptoms and help you feel your best!
Book the Vagus Nerve Massage if you can see me in Tempe, AZ. If you don't live locally, I also offer virtual nervous system coaching.
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Medical Disclaimer
The content on this site and my posts are for educational and informational purposes only and not meant as medical advice. It is not intended as medical advice or to replace a relationship with a qualified healthcare professional. There is absolutely no assurance that any statement contained or cited in an article touching on medical matters is true, correct, precise, or up-to-date. Please consult a clinician that is familiar with your care, if you have specific questions for your own care.
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