Sleep deprivation not only affects millions of people around the world, but also affects the society and the economy. If the society, employers, and the general public show greater concern for this condition, it is possible to bring back productivity and also have everyone getting their full 8 hours of sleep every night.A better understanding can be achieved with the following infographic: https://sleepsherpa.com/sleep-deprivation-effects/
Evernote has one use: be your online repository for everything. Scan it, shoot it, type it, whatever, just put it in Evernote to find later. Most text, even in pictures, is OCRed (optical character recognition) so it's searchable later. Organize the notes into Notebooks, then access it anywhere. Despite some ups and downs in its business model, it remains our Editors' Choice for note-taking on multiple platforms—even if for free you can only use two devices (plus the Web interface).
This online lead service allows you to search for both businesses and consumers. The business search options include the type of the business, the size of the business, the SIC code, the business location, and more. The consumer search options include income, age range, location, and so on. Lead list generation requires you (or the library) to have a paid account, but the basic lookup service is free.
The Debian project is a strong supporter of free software. Since many different licenses are used on software, a set of guidelines, the Debian Free Software Guidelines (DFSG) were developed to come up with a reasonable definition of what constitutes free software. Only software that complies with the DFSG is allowed in the main distribution of Debian.
It's not super popular in the US and not even our favorite messaging app, but you can't ignore the 800-pound messaging gorilla that is WhatsApp—since it was purchased by Facebook for almost $20 billion and it has over a billion users worldwide. It offers end-to-end encryption, has animated GIF support, group chat for up to 256 people, document sharing, voice and video calls, one-tap voice messages, and a Web-based interface you access by scanning a QR code with the app on your mobile device. It recently added macOS and Windows desktop versions.
Described as a "messaging app / former Emperor of Austria," you can tell from the Web page that Franz is gonna be fun—and useful. The sheer number of services it supports is huge: Slack, Facebook, WhatsApp, Skype, Google Hangouts, Twitter, Gmail, Outlook.com, and HipChat are just the start. You can add a service multiple times if you have multiple accounts.
The best thing about some of these companies is that you don't have to "Like" them on Facebook, send messages on Twitter, or complete surveys. With the companies I've listed first, simply sign in, input your mailing information, and wait for the free sample to show up in your mail). It will take less than 15 minutes sign up and up to six weeks for samples to arrive.