AYO headwear is a blue-light-emitting device that claims to help you sleep better, beat jet lag and have more energy in as little as 20 minutes of usage a day. The gadget is controlled via a smartphone app, and its energy program is said to make users feel more energetic, ensuring you to feel rested and ready for your day. Priced at Dh799, this could help travellers. Available at Sharaf DG.