Light!: Your Essential Survival Guide

Take a look around you right now - you can probably see at least five light sources - and hopefully some daylight too. Those lights are using up to 20% of your electricity bill and affecting your sleep, mood and even your memory. And yet most of us don't give the humble lightbulb a second thought. In this practical guide, you will discover science-backed techniques you can use right now to optimise the lighting in your home and office to boost sleep, mood and memory. Explore different types of lighting and controls - and learn what to buy without breaking the bank.