Y Combinator Holiday Gift Guide 2015.

LEAF
Track your sleep, log your period, analyze your breathing and monitor your activity with the LEAF. Empower your body with the world’s smartest piece of jewelry.

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Lully Sleep Guardian
Lully is a gadget that’s the first non-medication solution that’s been scientifically proven to prevent night terrors, which unfortunately affect an estimated 20% of all families.

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Spire
Your personal mindfulness coach Spire coaches you to a more calm, balanced state of mind. It tracks and improves your state of mind by allowing you to discover when you’re stressed, where it happens, and what you were doing.

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uBiome
uBiome is the world’s first effort to map the human microbiome with citizen science. uBiome’s sample kit contains everything you need to swab and submit your microbiome, and its website lets you compare your results to others. A great way to kick off the New Year with a health-conscious start!

Read more. A year from now we’ll check back in and see what/where/who is getting invested in. Looks like we’re beyond fitness tracking and moving almost exclusively in sleep, mood and more – “mindfulness” comes up a lot, it’s part of the marketing now.