tailieunhanh - Làm thế nào để ngủ ít hơn mà vẫn làm việc nhiều hơn?

Liệu có thể ngủ 4-5 giờ mà vẫn cảm thấy được nghỉ ngơi, thư giãn và nhiều năng lượng hơn khi bạn ngủ với 8 hoặc 9 giờ (hoặc hơn)? | Disclaimer The book Powerful Sleep is copyrighted by Kacper M. Postawski and . No part of this book may be reproduced stored in a retrieval system or transmitted by any other means electronic mechanical photocopying recording or otherwise without prior written permission of the copyright holders The statements found within the pages of this book have not been evaluated by the Food and Drug Administration. This publication is designed to provide accurate and authoritative information with regard to the subject matter covered. If a product or treatment is recommended in these pages it is not intended to diagnose treat cure or prevent any disease. The information contained herein is meant to be used to educate the reader and is in no way intended to provide individual medical advice. The publisher and the contributors are not engaged in rendering medical advice. All information contained in this book is received from sources believed to be accurate but no guarantee express or implied can be made. Readers are encouraged to verify for themselves and to their own satisfaction the accuracy of all information recommendations conclusions comments opinions or anything else contained within these pages before making any kind of decisions based upon what they have read herein. The author of this e-book is not a licensed practitioner of medicine therefore the techniques ideas and opinions here are not intended as a substitute for proper medical advice The information provided here is solely for informational purposes only. If medical advice or other professional assistance is required the services of a competent professional should be sought. The contributors Kacper M. Postawski and do not accept any responsibility for any liabilities resulting from the sleeping decisions made by purchasers of this book. This is not a free e-book. You cannot give this book away as a bonus or bundle it with other products. You do not have resale rights to this