It may not be possible to try out the pillow before buying it online. However, you can check for customer reviews and product descriptions to make an informed decision.

The number of pillows included in each pillow set may vary. It is best to check the product description or contact Sleepwell or the retailer for specific details.

The dimensions and sizes of the pillows in the Sleepwell Hi-tech pillow sets may vary, generally it is 70.0 cm x 44.0 cm. It is recommended to check the product description or contact Sleepwell or the retailer for specific information.

Sleepwell pillows are available in different sizes online, providing options to choose the size that best suits your sleeping preferences and bed dimensions.

Sleepwell may offer a warranty or guarantee for their pillows. It is advisable to check with Sleepwell website or the retailer for the specific terms and duration of the warranty or guarantee.

Sleepwell pillows are commonly used in various hotels, including some 5-star hotels, due to their quality and comfort. However, the usage of specific pillows may vary among hotels.

The perfect pillow thickness varies depending on individual preferences and sleeping positions. It is recommended to choose a pillow thickness that provides adequate support and aligns the head and neck with the spine.

Sleepwell pillows are made by especial moulded airvent technology using different materials, including high-quality foams, fibers, or a combination of both, to provide comfort, support, and durability. The specific material used may depend on the specific Sleepwell pillow model or variant.