Article navigation
- Published:
- Written by: Tony Brown
- Topic: Sleep
Lava lamps are popular for their quirky design and calming effects. The vibrant, colourful blobs floating around inside the glass are made of paraffin wax.
When the lava lamp is turned off, the wax stays at the bottom because it is heavier than the liquid around it. When you turn the lamp on, the light bulb at the bottom begins to heat up the wax.
As the wax gets warmer, it becomes lighter than the surrounding liquid and floats to the top. When the wax cools down as it moves away from the hot bulb, it gets heavier again and sinks back down. This process keeps repeating, causing the blobs you see to move up and down inside the glass.
Lava lamps can help create a relaxing, calming bedroom environment. However, you should not leave a lava lamp on all night.
How long can you leave a lava lamp on?
The first time you use a lava lamp, it may take a few hours for the wax to melt, float around, and reach its full effect.
While the recommended time for leaving a lava lamp on can vary depending on the manufacturer and model, you should never leave it on for more than 8 to 10 hours at a time. Leaving it on too long can cause overheating, damage the lamp, and increase the risk of a fire.
Refer to the manufacturer’s instructions for specific information on how long you can leave your lava lamp running.
What are the risks of leaving a lava lamp on overnight?
Most people need between 7 and 9 hours of sleep each night. Leaving a lava lamp on for that long could be dangerous, cause premature wear, or even invalidate the lamp’s warranty or guarantee.
Overheating
Lava lamps rely on heat to make the wax flow properly, which can make them very hot. Leaving a lava lamp on longer than recommended can cause it to overheat and damage the lamp’s components.
Poorly constructed, damaged, or second-hand lava lamps may explode, which could start a fire. The broken glass could cause cuts or injuries and there’s also a risk of burns if you’re near the explosion.
Fire risks
Lava lamps are generally safe to use, provided you follow the manufacturer’s instructions and take all the necessary precautions. However, they could pose a fire risk if they are not used properly. Leaving a lamp on for too long or placing it near flammable materials like carpets, curtains, or bedding increases the risks of a fire.
The lava lamp may get knocked over
Lava lamps are generally stable, but they can be knocked over by children or pets if left unattended, especially while you’re asleep. Children or pets may get burned by the hot glass, drink the liquids, or any broken pieces could injure someone. There is also a risk of starting a fire.
Damage to nearby items
If a lava lamp is faulty, knocked over, or explodes, it can damage nearby items like bedding, furniture, and fixtures. Wax and water stains can be hard to remove, and some items may need replacing.
Wear and tear
The typical lifespan of a lava lamp is around 2,000 hours. However, if you leave your lava lamp on longer than recommended, its components may wear out more quickly, and you might need to replace it sooner than expected.
It could invalidate the guarantee or warranty
Misusing your lava lamp in any way that goes against the manufacturer’s recommendations, such as leaving it on all night, could invalidate its guarantee or warranty. It’s important to follow the manufacturer’s instructions to ensure you use the product correctly and safely.
The bright colours may affect sleep
Lava lamps come in various colours, which can affect your sleep depending on the type of light they emit. Cool colours like blue and green can trick your brain into thinking it’s daytime, especially if they’re bright. In contrast, warm colours like red, orange, and yellow resemble the natural light at sunset and may help you fall asleep faster.
Energy consumption
While some lava lamps may be more energy-efficient, leaving them on all night wastes energy. Besides, you won’t be able to enjoy their visual effects while you sleep. It’s best to turn off lights when they’re not needed, especially with rising energy bills.
How to take care of a lava lamp
There are several ways to take care of your lava lamp to ensure you use it correctly and safely.
- Place the lamp on a flat, clean and dry surface, away from direct sunlight and flammable materials.
- Do not run the lamp for longer than the manufacturer recommends (typically 8 to 10 hours).
- Keep your lava lamp out of reach of children and pets to avoid accidents and injuries.
- Always unplug your lava lamp before cleaning or when you go to bed.
- Do not shake the lamp while it is warm, as this can cause the liquid to become cloudy.
- Avoid touching the lamp while it’s in operation, as the glass can get hot. Allow it to cool for at least 2-3 hours before handling.
- Keep the lamp away from heat or cold sources, such as heaters or air conditioners. It works best at room temperature (20-22°C or 68-72°F).
- Do not use the lava lamp if the glass is cracked or the cord or plug is damaged.
- Store the lamp on a cool, dry surface when not in use.
Final thoughts
Lava lamps help you relax and unwind after a long day. However, as tempting as it is to keep your lava lamp on at night, it’s better to switch it off. There are plenty of other ways to create a calming and relaxing bedroom environment before sleep.
Share this article
About the author
Tony Brown is the founder and creator of The Bed Consultant. His career in the bed industry began in 2002. After graduating from university with a degree in Business Administration, Tony joined one of the largest independent furniture retailers in the UK as a bed consultant. Tony has helped thousands of customers find the perfect mattress.