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Published on: 2/18/2026
Nodding off in meetings has several causes. Excessive daytime sleepiness often comes from too little or poor quality sleep, but can also signal sleep apnea, narcolepsy, circadian disruption, medication side effects, or mental health conditions. Watch for red flags like loud snoring, repeated unintentional dozing, drowsy driving, or sudden muscle weakness that warrant medical care; practical steps can help while you seek evaluation. See below for complete details and next steps that could change what you do next.
If you've ever asked yourself, "Why do I fall asleep during important meetings?", you're not alone. Struggling to stay awake at work—especially during moments that matter—can feel embarrassing, frustrating, and even alarming.
The medical term for excessive daytime sleepiness is EDS (Excessive Daytime Sleepiness). EDS isn't just "being a little tired." It's a persistent tendency to fall asleep during the day, even when you're trying to stay alert. If you regularly feel drowsy in meetings, presentations, or conversations, your body may be signaling that something deeper is going on.
Let's break down why this happens—and what you can do about it.
EDS refers to difficulty staying awake and alert during the day, even after what seems like a full night's sleep. According to sleep medicine experts, it becomes a medical concern when it:
If you're thinking, "EDS—why do I fall asleep during important meetings?" it's important to understand that this isn't laziness or lack of motivation. It's often a biological issue.
The most frequent cause of EDS is simply not getting enough quality sleep.
Adults typically need 7–9 hours per night. Consistently getting less—even by an hour or two—can create a "sleep debt" that builds up over time.
Signs of sleep deprivation include:
If you're experiencing these symptoms and want to understand whether chronic lack of sleep is affecting your daily performance, Ubie's free AI-powered Sleep Deprivation symptom checker can help you identify whether this is likely the root cause of your meeting-room drowsiness.
You might spend 8 hours in bed but still wake up exhausted. Poor sleep quality can be caused by:
Meetings often involve sitting still in a dim room—conditions that make it easy for sleepiness to surface if your rest hasn't been restorative.
One serious and common cause of EDS is obstructive sleep apnea (OSA). This condition occurs when the airway repeatedly collapses during sleep, briefly stopping breathing.
Warning signs include:
Sleep apnea fragments sleep—even if you don't remember waking up. As a result, your brain never fully recharges.
If untreated, sleep apnea can increase the risk of:
If you suspect this may apply to you, speak to a doctor promptly. Sleep apnea is treatable, but it requires medical evaluation.
Narcolepsy is a neurological sleep disorder that causes overwhelming daytime sleepiness and sudden sleep attacks.
Symptoms may include:
Narcolepsy is uncommon, but if you are falling asleep abruptly—even during active conversation—it's worth discussing with a healthcare professional.
Your body runs on an internal clock. If that clock is misaligned, you may feel sleepy at the wrong times.
Common causes:
Many people experience a natural dip in alertness between 1 p.m. and 3 p.m., which explains why afternoon meetings can feel especially challenging.
Depression and anxiety can both contribute to EDS.
Depression, in particular, may cause:
Mental health and sleep are deeply connected. Addressing one often improves the other.
Certain medications can make you drowsy, including:
If your sleepiness started after beginning a new prescription, consult your doctor. Never stop medication without medical guidance.
You might notice you don't fall asleep while driving or exercising—but meetings are different.
Meetings often involve:
When your brain is already short on energy, these conditions make it much easier to drift off.
Occasional sleepiness after a late night isn't alarming. But seek medical evaluation if you:
These could indicate conditions beyond simple fatigue.
If anything feels severe, progressive, or potentially life-threatening—speak to a doctor immediately.
While you investigate the root cause, here are evidence-based strategies that may help:
A 10–20 minute nap (if your schedule allows) can temporarily reduce EDS without disrupting nighttime sleep.
If you continue asking, "EDS—why do I fall asleep during important meetings?", that's your cue to dig deeper.
Excessive daytime sleepiness is:
Start by evaluating your sleep habits. Take a few minutes to check your symptoms using Ubie's free AI-powered Sleep Deprivation assessment tool—it takes just a few minutes and can provide valuable insights into what may be contributing to your fatigue.
Then, take the next responsible step: speak to a doctor. A healthcare professional can:
Falling asleep during important meetings is not a character flaw. It's usually a sign your brain and body are not getting what they need.
Whether the cause is simple sleep deprivation, a sleep disorder, medication side effects, or a medical condition, there are solutions.
Don't ignore persistent EDS. Address it early. Protect your performance, your health, and your safety.
And if your symptoms feel severe, sudden, or potentially dangerous—seek medical care promptly.
Your alertness isn't just about productivity. It's about overall well-being.
(References)
* Drake CL, Roehrs T, Roth T. Excessive daytime sleepiness: an update on causes, consequences, and management. Clin Interv Aging. 2017 Jun 2;12:809-829. doi: 10.2147/CIA.S109819. PMID: 28607172; PMCID: PMC5462580.
* Sembulingam K, Harikrishnan R, Gitanjali B. Impact of Sleep Deprivation on Cognitive and Physical Performance in Shift Workers: A Systematic Review. J Clin Diagn Res. 2020 Aug;14(8):LE01-LE06. doi: 10.7860/JCDR/2020/45147.13906. Epub 2020 Aug 1. PMID: 33132709; PMCID: PMC7536484.
* Wyatt JK, Roth T, Roehrs T. The post-lunch dip in subjective alertness and performance: a review of the literature. Sleep Med Rev. 2017 Oct;35:102-113. doi: 10.1016/j.smrv.2017.03.004. Epub 2017 Mar 29. PMID: 28366479.
* Samanta M, Bhattacharyya M, Senthil Kumaran G, Roy Chaudhuri A, Das B. Impact of circadian rhythm on human performance and safety: a review. Front Public Health. 2023 Sep 14;11:1248937. doi: 10.3389/fpubh.2023.1248937. PMID: 37751964; PMCID: PMC10531542.
* Korman M, Zupančič M, Korać F. Consequences of Insufficient Sleep on Health and Performance at the Workplace: A Scoping Review. Int J Environ Res Public Health. 2022 Oct 29;19(21):13988. doi: 10.3390/ijerph192113988. PMID: 36365457; PMCID: PMC9654153.
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