Sleep - The elixir of life

German, Prof Dr med Clemens Heiser, Prof. Dr Ulrich Sommer, 2024
Ratings
Currently out of stock

Product details

Sleep is an often underestimated foundation of our well-being. However, in a time when constant availability, sensory overload and stress characterise our everyday lives, our sleep often suffers. The consequences
range from daytime tiredness and concentration problems to serious
to serious health problems. The renowned sleep researchers and physicians Prof. Dr Ulrich Sommer and Prof. Dr Clemens Heiser show that sleep is one of the keys to a fulfilled and vital life. With in-depth knowledge and their tried-and-tested "Sleep Formula according to Heiser & Sommer", they help you to enjoy restful nights again - from the basics of sleep to the effects of technology and proven methods for overcoming sleep problems.

Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «Guidebooks» category have a defect within the first 24 months?

Source: Galaxus
  • Humboldt
    Not enough data
  • 1.Edition Fischer
    0 %
  • 1.Riva
    0 %
  • 1.Weber
    0 %
  • 4.Kosmos
    0.1 %

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • Humboldt
    Not enough data
  • Edition Fischer
    Not enough data
  • Kosmos
    Not enough data
  • Kynos
    Not enough data
  • Riva
    Not enough data

Unfortunately, we don't have enough data for this category yet.

Return rate

How often is a product of this brand in the «Guidebooks» category returned?

Source: Galaxus
  • Humboldt
    Not enough data
  • 1.Kynos
    0 %
  • 2.Weber
    0.4 %
  • 3.Edition Fischer
    0.9 %
  • 3.Kosmos
    0.9 %
Source: Galaxus