
The spinout of Heriot-Watt University has secured $1.3m in its latest funding round, which featured a mix of existing and new investors.
Tinnitus Treatment Solutions and food standards and sanitation company RF Biocidics are among the casualties of the $146.6m writedown, with capital being diverted to more promising subsidiaries.
Comcast Ventures, a participant in the smart mattress developer's $6m seed round last year, has come back for its $5m series A round.
Several universities are among the limited partners for the venture firm's latest fund, which is expected to close at $175m.