MUTE - Crowdsourced words list to mute on social media
Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.
News Feed Snooze - Hide a person, Page or group for 30 days on Facebook
Sleep as Android - Common alarm clocks ignore your sleep cycles, they wake you on schedule no matter your are currently in your deep sleep. Waking up from deep sleep is unpleasant, it makes you tired and it may negatively affect your productivity during the whole day.
Mute Filters by Feedly - Block distracting memes, amplify news that matters
Alarm Klock - A better alarm clock.