References
Latest References
![Purple mattress in a bedroom](https://cdn.mos.cms.futurecdn.net/GoqScjtjHDrNy2vyi33ek-320-80.jpeg)
How much do Purple mattresses cost and where can you find the cheapest prices?
By Ruth Jones published
Purple mattresses offer unique pressure relief, but how much do they cost and where can you find the cheapest prices in the 4th of July sales?
![mint mobile](https://cdn.mos.cms.futurecdn.net/aNUcxYdzssCt9g7gKhSU4-320-80.jpg)
What is Mint Mobile, and is it worth it?
By Jordan Palmer last updated
Mint Mobile offers big savings on your wireless bill if you buy months of service up front. Here's what you need to know.
![A sleep deprived man in a green shirt falls asleep for a second on his sofa, having what experts refer to as a microsleep because he's sleep deprived](https://cdn.mos.cms.futurecdn.net/VpemCmzNVGCpG65eCx4CGR-320-80.jpg)
What is a microsleep and are they dangerous? We ask an expert
By Grace Franks published
Falling asleep briefly during the day is a red flag for sleep deprivation – here's how to spot if you're having a microsleep and what to do about it, according to a sleep expert.
![Two Tom's Guide sleep staff writers sit on a mattress after testing its support core](https://cdn.mos.cms.futurecdn.net/AvMFL66vDzmutULjBS78H-320-80.jpg)
What is the support core in a mattress and why is it important?
By Rachael Penn published
The support core is a crucial element of every mattress – here's why, how they work, plus how to pick a mattress with great ground-up support.
![Tesla Model 3 parked in charging station](https://cdn.mos.cms.futurecdn.net/HqtjAwQFP7k4NyQfFgQoV6-320-80.jpg)
These are the Tesla wait times for every model
By Tom Pritchard last updated
Thinking about getting a Tesla? Here's the lowdown on Tesla wait times.
![Woman in nightclothes sat on GhostBed Luxe mattress](https://cdn.mos.cms.futurecdn.net/ufpDu9pGL3FQ5pPYsAPXpG-320-80.jpg)
These are the best cooling mattress materials for very hot sleepers
By Jo Plumridge published
Cooling mattresses rely on different materials to keep hot sleeps cool all night long — these are the best ones.
![What is Amazon Prime](https://cdn.mos.cms.futurecdn.net/LzpjEDErDFipjoaRYxakCM-320-80.jpg)
What is Amazon Prime? Everything you need to know
By Louis Ramirez last updated
Amazon Prime is more than fast shipping. If you're wondering what is Amazon Prime — here's what you need to know.
![A woman's hand feels a memory foam mattress to check if it needs replacing](https://cdn.mos.cms.futurecdn.net/pJ7qQhYgx24BzK6dmWfFqL-320-80.jpg)
Are memory foam mattresses worth it or a waste of money? I’m a sleep writer — here’s my take
By Ruth Jones published
Memory foam mattresses are typically cheaper than hybrid beds and offer cushioned comfort — but are they worth your money?
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