very powerful elements of our life, well being and longevity and but it's more and more uncared for in twenty-first-century society, with devastating penalties: each main illness within the developed world - Alzheimer's, most cancers, weight problems, diabetes - has very robust causal hyperlinks to poor sleep.Until very just lately, science had no reply to the query of why we sleep, or what good it served, or why its absence is so damaging to our well being. Compared to the opposite primary drives in life - consuming, ingesting, and reproducing - the aim of sleep remained elusive.Now, on this e-book, the primary of its form written by a scientific professional, Professor Matthew Walker explores twenty years of cutting-edge analysis to unravel the thriller of why sleep issues., Looking at creatures from throughout the animal kingdom in addition to main human research, Why We Sleep delves in to all the things from what actually occurs throughout REM sleep to how caffeine and alcohol have an effect on sleep and why our sleep patterns change throughout a lifetime, reworking our appreciation of the extraordinary phenomenon that safeguards our existence.

of colors: 65536 colors
-Backlight: Y

System necessities
-Windows working methods supported: Windows 7 Enterprise,Windows 7 Enterprise x64,Windows 7 Home Basic,Windows 7 Home Basic x64,Windows 7 Home Premium,Windows 7 Home Premium x64,Windows 7 Professional,Windows 7 Starter,Windows 7 Starter x64,Windows 7 Ultimate,Windows 7 Ultimate x64,Windows 8,Windows 8 Enterprise,Windows 8 Enterprise x64,Windows 8 Pro,Windows 8 Pro x64,Windows 8 x64,Windows Vista Business,Windows Vista Business x64,Windows Vista Enterprise,Windows Vista Enterprise x64,Windows Vista Home Basic,Windows Vista Home Premium,Windows Vista Home Premium x64,Windows Vista Ultimate,Windows Vista Ultimate x64,Windows XP Home,Windows XP Home x64,Windows XP Professional,Windows XP Professional x64
-Mac working methods supported: Mac OS X 10.6 Snow Leopard
-USB required: Y

Audio
-Equalizer customizable: Y
-Equalizer: Y
-Equalizer bands amount: 5
-Equalizer modes: Custom, Jazz, Pop

Ports & interfaces
-Interface: USB 2.0

Weight & dimensions
-Weight: 39 g
-Depth: 10 mm
-Height: 92 mm
-Width: 43 mm

Power
-Rechargeable: Y
-Continuous audio playback time: 35 h
-Battery recharge time: 2 h

Operational situations
-Operating temperature (T-T): 5 - 35 °C

Storage
-Player media kind: Flash reminiscence
-Total storage capability: 8 GB

Headphones
-Headphone connectivity: 3.5Easy drag and drop file switch on PC and Mac
Up to 35 hours of battery life
8 GB on-board storage
Plays PCM, AAC, WMA and MP3 information