What is Sleep?
Let’s talk ‘sleep’
“Sleep is a complex, naturally recurring state of rest for the body and brain that involves an altered state of
consciousness and reduced sensory activity”. -Google
While asleep, the body is rested in order to allow the brain to work during this period, actively engaging all
relevant body mechanism for self-healing, repairs and boost immune system.
Even though it appears as a period of inactivity, Sleep is a very active process necessary for physical and mental
health.
During sleep, the body is naturally subdued into a tranquillized state in order to allow for activities of essential
repairs and the reorganizing of all relevant operations in the body and mind.
At this time, the brain kicks into action moving from stages of sleep (light and deep), repairing and renewing
the entire system of the body for maximum active usage. While doing this, the followings take place:
- Consolidating memories and processing information.
- Repairing tissues and releasing growth hormones.
- Strengthening the immune system by producing proteins that fight infection.
- Regulating the heart rate and blood pressure”. — Google
Cleveland clinic in its publication on ‘what is sleep’ explains sleep as “a normal body process that allows your body and brain to rest. At first glance, sleep is deceptively simple. For most people, it’s just a matter of getting comfortable, closing your eyes and drifting into slumber. But despite how simple it seems, sleep is one of the most complex and mysterious body processes known to science”.
Why do you need quality sleep?
After each day’s activities, the body and its entire system will need some time to rest well enough to be ready for the next day’s activities. A good and quality sleep helps prepare the body for this. At sleep mode, your body conserves and stockpiles energy required by the cells for an active day. Quality sleep is key after an active day, as it is important for an active day. It helps prepare the body and mind for everyday’s planned and unplanned activities.
We live in a world that glorifies hustle. Late-night emails, endless scrolling, and back-to-back commitments often push sleep to the bottom of the priority list. Yet, nothing affects our ability to handle stress more than the quality of our sleep.
When you’re well-rested, challenges feel manageable. But after a restless night, even small annoyances can feel overwhelming. According to the American Psychological Association, people who sleep fewer than 8 hours a night are more likely to experience higher levels of stress, anger, and sadness than those who get enough rest. Sleep isn’t just downtime—it’s a powerful tool for emotional resilience.
How Stress and Sleep Are Connected
Stress and sleep have a two-way relationship:
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Stress Affects Sleep: When you’re stressed, your body produces more cortisol and adrenaline. These hormones increase heart rate and alertness, making it harder to fall or stay asleep.
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Poor Sleep Increases Stress: Lack of sleep weakens the brain’s ability to regulate emotions, leaving you more irritable, anxious, and prone to stress.
This creates a vicious cycle: stress causes poor sleep, and poor sleep worsens stress. Breaking the cycle starts with prioritizing rest.
What Happens During Quality Sleep
Sleep is not just “switching off.” While you rest, your body and brain go through restorative processes essential for stress management:
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Emotional Processing: During REM sleep, the brain sorts and processes emotions, helping you wake up with a clearer perspective.
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Stress Hormone Regulation: Cortisol levels naturally drop at night, giving your body a chance to reset.
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Physical Restoration: Muscles repair, the immune system strengthens, and energy stores are replenished.
Skipping sleep robs you of these natural stress-reducing benefits.
How Much Sleep Do You Really Need?
Most adults require 7–9 hours of sleep per night. But quality matters as much as quantity. Waking up refreshed is a better indicator than the number of hours alone.
Signs you’re not getting enough restorative sleep include:
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Difficulty concentrating
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Irritability or mood swings
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Frequent colds or weakened immunity
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Reliance on caffeine to function
Tips for Improving Sleep and Reducing Stress
1. Create a Consistent Sleep Schedule
Go to bed and wake up at the same time every day—even on weekends. This regulates your internal clock.
2. Build a Relaxing Bedtime Routine
Wind down with calming activities: reading, stretching, or listening to soft music. Avoid stimulating tasks like work emails or intense workouts right before bed.
3. Limit Screen Time Before Sleep
Blue light from phones and laptops suppresses melatonin, the sleep hormone. Aim to power down at least an hour before bed.
4. Watch Caffeine and Alcohol Intake
Caffeine can stay in your system for up to 8 hours. Alcohol may help you fall asleep but disrupts deep, restorative sleep.
5. Optimize Your Sleep Environment
Keep your bedroom cool, dark, and quiet. Invest in comfortable bedding and pillows. Small adjustments can make a big difference.
6. Try Stress-Relief Techniques Before Bed
Deep breathing, journaling, or meditation can quiet the mind, signalling to your body that it’s safe to rest.
Watch this short video on tips to help you sleep well: https://www.nhs.uk/every-mind-matters/mentalwellbeing-tips/how-to-fall-asleep-faster-and-sleep-better/#video
When Stress Keeps You Awake
Even with good habits, stress can sometimes interfere with sleep. If your mind races at night, try:
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The “Brain Dump” Technique: Write down your worries and to-do list before bed. This clears mental clutter.
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Progressive Muscle Relaxation: Tense and release each muscle group from head to toe, melting away tension.
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Mindful Breathing: Focus on slow, deep breaths to calm the nervous system.
If sleep problems persist for weeks, consult a healthcare professional to rule out insomnia or sleep disorders.
Long-Term Benefits of Prioritizing Sleep
By protecting your sleep, you give yourself the foundation for better stress management and overall health:
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Greater emotional resilience
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Improved concentration and decision-making
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Stronger immune function
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More stable mood and energy
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Reduced risk of anxiety and depression
Final Thoughts
Sleep is not a luxury—it’s a necessity for a balanced, stress-free life. The hours you spend resting are just as important as the hours you spend working or socializing. By improving your sleep habits, you’re not just reducing stress at the moment—you’re building resilience for the challenges ahead.
So tonight, instead of squeezing in “one more task” or “just five more minutes” of scrolling, give yourself the gift of rest. Your mind and body will thank you tomorrow.
PS: This write-up is for information purposes only. Consult a professional for proper medical advice, diagnosis, and support.
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References: https://my.clevelandclinic.org/health/body/12148-sleep-basics, https://www.nhlbi.nih.gov/health/sleep
Other materials to read: https://www.webmd.com/sleep-disorders/tips-reduce-stress, https://www.healthline.com/health/why-do-wesleep
