Woman wearing sleep mask, trying to sleep.

Why Can’t I Sleep? Common Causes and Simple Solutions

Written by: Luca Biswell

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Published on

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Time to read 5 min

We’ve all been there—tossing and turning, watching the minutes on the clock tick by, and wondering why sleep feels so elusive. Maybe you're thinking, "Why can’t I sleep?" The truth is, sleep struggles are more common than you might think. According to studies, almost a third of adults in the UK report poor sleep, and the reasons behind it vary widely.


If you’ve been wondering why you can’t catch enough Zzz’s, you're not alone. The good news? Most of these issues can be tackled with a few simple changes. In this post, we’ll walk through some of the most common reasons behind poor sleep, along with practical, no-nonsense solutions to help you get the restful night you deserve.

Stress: The Unseen Sleep Thief

If you’ve ever spent hours lying in bed with your mind racing, you know exactly how stress can steal a good night’s sleep. Life’s pressures, big or small, can keep us awake, our brains endlessly running through thoughts and worries. And let’s be honest—once you're in that cycle, it can feel almost impossible to unwind.


Stress messes with our natural sleep cycle, making it harder to relax and fall asleep. It triggers the release of cortisol, a hormone that keeps you alert instead of calm, which is the last thing you want when trying to sleep.


The Solution:
First things first: if you're feeling stressed, give your mind some time to calm down before you try to sleep. This doesn’t have to be a big ritual—simple actions like stretching, breathing exercises, or even reading a book can make a huge difference. The key is making your body and mind feel like it's time to relax, not stay alert.


SMUG Product Tip:
SMUG’s Lavender Deep Pressure Therapy Eye Mask is perfect for helping you unwind after a stressful day. The calming lavender scent and gentle pressure will guide you into a relaxed state, making it easier to transition from tension to sleep. Pair it with a warm bath or some calming music to fully set the mood for rest.

Blue Light: The Hidden Cause of Restlessness

We’ve all heard the warnings about blue light from our devices, but let’s be real—it’s hard to put down your phone or tablet, especially when you’re catching up on the day. However, the blue light emitted by screens can interfere with the production of melatonin, the hormone that tells our body it’s time to sleep.

The truth? Blue light can reduce melatonin by up to 23%, which is enough to disrupt your sleep cycle and make it harder to fall asleep.


The Solution:
The best thing you can do is reduce screen time before bed—this doesn’t mean going totally tech-free (unless you want to, of course). Even limiting screen use by 30 minutes before bed can help. If you need to use your devices, try enabling blue light filters on your phone or using glasses designed to block blue light.

Woman wearing SMUG sleep mask

Creating Your Sleep Sanctuary: The Importance of Your Sleep Environment

Let’s face it: your bedroom might not be the calming oasis it should be. Whether it’s too bright, too hot, or too noisy, your environment plays a huge part in how well you sleep. A cluttered, overly warm, or noisy room isn’t doing you any favours when it comes to getting a solid night’s rest.


The Solution:
A few tweaks to your room can make a world of difference. Aim for a cool, dark, and quiet space. Keep the temperature between 60-67°F (15-19°C), and use blackout curtains or a sleep mask to block out light. Even small things, like setting your phone to "Do Not Disturb" mode, can help create a peaceful atmosphere.


SMUG Product Tip:

SMUG’s Satin Sleep Masks are the perfect addition to your sleep environment. Soft on your skin and completely darkening your space, these masks help block out light, creating the ideal sleep setting. Pair it with a relaxing scent or soothing sound machine to enhance your environment further.

SMUG Night Time Essentials

Caffeine and Diet: Fueling Your Sleep Struggles

You probably know by now that caffeine can mess with your sleep, but did you know that sugar and heavy meals can also be culprits? Caffeine, found in coffee, tea, and energy drinks, is a stimulant that can stay in your system long after you finish that late afternoon cup.

Similarly, eating a heavy meal, especially one high in sugar or fat, right before bed can make your body work overtime to digest, keeping you awake and uncomfortable.


The Solution:
Cutting out caffeine and sugar, especially after lunchtime, can make a huge difference in the quality of your sleep. Opt for a relaxing herbal tea (chamomile is a popular choice) or simply drink water if you’re thirsty. These options will help ease your body into relaxation mode, making it easier to wind down for the night.

Breathing Problems: Clear the Air for Better Sleep

Breathing problems—whether from sleep apnea, nasal congestion, or just allergies—are a major roadblock to a restful night. Conditions like sleep apnea cause frequent awakenings during the night, leaving you feeling drained the next day. Even mild congestion can leave you tossing and turning.


The Solution:
If you’ve got nasal congestion or even mild snoring, using a simple breathing aid might help clear your airways. These devices are designed to help you breathe easier by opening up the nasal passages. For more severe cases like sleep apnea, it’s important to consult a doctor for proper diagnosis and treatment.


SMUG’s Soothing Body Wraps offer hot and cold therapy to help ease any discomfort that might be affecting your breathing at night. Whether it’s relieving muscle tension or helping you unwind, they’re a great addition to your nighttime routine.


The Power of Routine: Your Bedtime Ritual Matters

One of the most effective ways to improve your sleep is by establishing a bedtime routine. Your body thrives on consistency, so going to bed and waking up at the same time every day can help regulate your sleep-wake cycle. Plus, building a nightly routine signals to your body that it’s time to unwind.


The Solution:
This can be as simple as dimming the lights an hour before bed, having a cup of chamomile tea, or doing some gentle stretching to relax your muscles. The goal is to create a routine that works for you and prepares your body for rest.

Conclusion: Small Changes, Big Results

Improving your sleep doesn’t have to be overwhelming. Start with one or two small changes—whether it’s reducing stress, changing your diet, or tweaking your sleep environment—and see what works for you. By making these adjustments, you’ll be on your way to sleeping better and feeling more refreshed in no time.


Remember, the path to better sleep is all about consistency and finding what works best for you. Take it step by step, and soon enough, you’ll be waking up feeling well-rested and ready to take on the day.

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