Etihad Airways has launched a new programme to improve passenger comfort - soon, those sleep­less nights on long-haul flights will be a thing of the past. As part of the initiative, Diamond First Class fliers will get to stretch out on custom-made all-natural bedding by Coco-Mat. The airline aims to enhance the experience by focussing on the senses &mdash fine cotton Heather Grey sleepsuits, unique pillow mist, pulse point oil, a selection of Bergamote 22 toiletries by Le Labo, noise cancelling head­phones, mood lighting, and bedtime beverages (camomile tea, hot chocolate and malt-based drinks) are all part of the package (etihad.com). What better way to enjoy sleeping than &lsquoup above the world so high&rsquo